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1513400960 = 27529731117
BaseRepresentation
bin101101000110100…
…1010101010000000
310220110201201211102
41122031022222000
511044412312320
6410101233532
752334460461
oct13215125200
93813651742
101513400960
117073035a5
12362a028a8
131b1704b36
14104dd0d68
158cce5175
hex5a34aa80

1513400960 has 128 divisors (see below), whose sum is σ = 3797398800. Its totient is φ = 575963136.

The previous prime is 1513400957. The next prime is 1513400969. The reversal of 1513400960 is 690043151.

It can be written as a sum of positive squares in 8 ways, for example, as 315133504 + 1198267456 = 17752^2 + 34616^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1513400969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1354322 + ... + 1355438.

Almost surely, 21513400960 is an apocalyptic number.

1513400960 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 1513400960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1898699400).

1513400960 is an abundant number, since it is smaller than the sum of its proper divisors (2283997840).

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

1513400960 is a wasteful number, since it uses less digits than its factorization.

1513400960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1513400960 is about 38902.4544212830. The cubic root of 1513400960 is about 1148.1130896616.

The spelling of 1513400960 in words is "one billion, five hundred thirteen million, four hundred thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 64 73 80 116 128 145 146 160 232 290 292 320 365 464 580 584 640 730 928 1117 1160 1168 1460 1856 2117 2234 2320 2336 2920 3712 4234 4468 4640 4672 5585 5840 8468 8936 9280 9344 10585 11170 11680 16936 17872 18560 21170 22340 23360 32393 33872 35744 42340 44680 46720 64786 67744 71488 81541 84680 89360 129572 135488 142976 161965 163082 169360 178720 259144 270976 323930 326164 338720 357440 407705 518288 647860 652328 677440 714880 815410 1036576 1295720 1304656 1354880 1630820 2073152 2364689 2591440 2609312 3261640 4146304 4729378 5182880 5218624 6523280 9458756 10365760 10437248 11823445 13046560 18917512 20731520 23646890 26093120 37835024 47293780 52186240 75670048 94587560 151340096 189175120 302680192 378350240 756700480 1513400960