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47080440 = 23345111321
BaseRepresentation
bin1011001110011…
…0001111111000
310021120221020000
42303212033320
544023033230
64401033000
71111114521
oct263461770
9107527200
1047080440
1124637260
1213925760
1399a5564
146377848
1541eeb60
hex2ce63f8

47080440 has 160 divisors (see below), whose sum is σ = 172758960. Its totient is φ = 11404800.

The previous prime is 47080409. The next prime is 47080457. The reversal of 47080440 is 4408074.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34980 + ... + 36300.

Almost surely, 247080440 is an apocalyptic number.

47080440 is a gapful number since it is divisible by the number (40) 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 47080440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86379480).

47080440 is an abundant number, since it is smaller than the sum of its proper divisors (125678520).

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

47080440 is a wasteful number, since it uses less digits than its factorization.

47080440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 47080440 is about 6861.5187823105. The cubic root of 47080440 is about 361.0883729185.

The spelling of 47080440 in words is "forty-seven million, eighty thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 27 30 33 36 40 44 45 54 55 60 66 72 81 88 90 99 108 110 120 132 135 162 165 180 198 216 220 264 270 297 324 330 360 396 405 440 495 540 594 648 660 792 810 891 990 1080 1188 1320 1321 1485 1620 1782 1980 2376 2642 2970 3240 3564 3960 3963 4455 5284 5940 6605 7128 7926 8910 10568 11880 11889 13210 14531 15852 17820 19815 23778 26420 29062 31704 35640 35667 39630 43593 47556 52840 58124 59445 71334 72655 79260 87186 95112 107001 116248 118890 130779 142668 145310 158520 174372 178335 214002 217965 237780 261558 285336 290620 348744 356670 392337 428004 435930 475560 523116 535005 581240 653895 713340 784674 856008 871860 1046232 1070010 1177011 1307790 1426680 1569348 1743720 1961685 2140020 2354022 2615580 3138696 3923370 4280040 4708044 5231160 5885055 7846740 9416088 11770110 15693480 23540220 47080440