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105291264 = 293135273
BaseRepresentation
bin1100100011010…
…01111000000000
321100010100110110
412101221320000
5203423310024
614240431320
72415650421
oct621517000
9240110413
10105291264
1154485981
122b318540
1318a77030
14ddab648
15939c629
hex6469e00

105291264 has 80 divisors (see below), whose sum is σ = 302136912. Its totient is φ = 32391168.

The previous prime is 105291247. The next prime is 105291271. The reversal of 105291264 is 462192501.

It is a super-3 number, since 3×1052912643 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17332 + ... + 22604.

Almost surely, 2105291264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105291264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151068456).

105291264 is an abundant number, since it is smaller than the sum of its proper divisors (196845648).

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

105291264 is an equidigital number, since it uses as much as digits as its factorization.

105291264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5307 (or 5291 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 105291264 is about 10261.1531515712. The cubic root of 105291264 is about 472.2052157525.

The spelling of 105291264 in words is "one hundred five million, two hundred ninety-one thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 512 624 768 832 1248 1536 1664 2496 3328 4992 5273 6656 9984 10546 15819 19968 21092 31638 42184 63276 68549 84368 126552 137098 168736 205647 253104 274196 337472 411294 506208 548392 674944 822588 1012416 1096784 1349888 1645176 2024832 2193568 2699776 3290352 4049664 4387136 6580704 8099328 8774272 13161408 17548544 26322816 35097088 52645632 105291264