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1683910480 = 24573109563
BaseRepresentation
bin110010001011110…
…0110111101010000
311100100120111220211
41210113212331100
511422040113410
6435032013504
756505001000
oct14427467520
94310514824
101683910480
1179458395a
123abb31294
1320ab35045
1411d8d8000
159cc7668a
hex645e6f50

1683910480 has 160 divisors (see below), whose sum is σ = 4615776000. Its totient is φ = 571027968.

The previous prime is 1683910471. The next prime is 1683910489. The reversal of 1683910480 is 840193861.

It is an interprime number because it is at equal distance from previous prime (1683910471) and next prime (1683910489).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683910489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2990679 + ... + 2991241.

It is an arithmetic number, because the mean of its divisors is an integer number (28848600).

Almost surely, 21683910480 is an apocalyptic number.

1683910480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1683910480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2307888000).

1683910480 is an abundant number, since it is smaller than the sum of its proper divisors (2931865520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1683910480 is a wasteful number, since it uses less digits than its factorization.

1683910480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 1683910480 is about 41035.4783084102. The cubic root of 1683910480 is about 1189.7060404241.

The spelling of 1683910480 in words is "one billion, six hundred eighty-three million, nine hundred ten thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 109 112 140 196 218 245 280 343 392 436 490 545 560 563 686 763 784 872 980 1090 1126 1372 1526 1715 1744 1960 2180 2252 2744 2815 3052 3430 3815 3920 3941 4360 4504 5341 5488 5630 6104 6860 7630 7882 8720 9008 10682 11260 12208 13720 15260 15764 19705 21364 22520 26705 27440 27587 30520 31528 37387 39410 42728 45040 53410 55174 61040 61367 63056 74774 78820 85456 106820 110348 122734 137935 149548 157640 186935 193109 213640 220696 245468 275870 299096 306835 315280 373870 386218 427280 429569 441392 490936 551740 598192 613670 747740 772436 859138 965545 981872 1103480 1227340 1495480 1544872 1718276 1931090 2147845 2206960 2454680 2990960 3006983 3089744 3436552 3862180 4295690 4909360 6013966 6873104 7724360 8591380 12027932 15034915 15448720 17182760 21048881 24055864 30069830 34365520 42097762 48111728 60139660 84195524 105244405 120279320 168391048 210488810 240558640 336782096 420977620 841955240 1683910480