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13965952 = 2771113109
BaseRepresentation
bin110101010001…
…101010000000
3222021112200111
4311101222000
512033402302
61215201104
7226465030
oct65215200
928245614
1013965952
117979910
124816194
132b7caa0
141bd78c0
15135d0d7
hexd51a80

13965952 has 128 divisors (see below), whose sum is σ = 37699200. Its totient is φ = 4976640.

The previous prime is 13965947. The next prime is 13965967. The reversal of 13965952 is 25956931.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128074 + ... + 128182.

It is an arithmetic number, because the mean of its divisors is an integer number (294525).

Almost surely, 213965952 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 13965952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18849600).

13965952 is an abundant number, since it is smaller than the sum of its proper divisors (23733248).

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

13965952 is a wasteful number, since it uses less digits than its factorization.

13965952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 142 counting only the distinct ones).

The product of its digits is 72900, while the sum is 40.

The square root of 13965952 is about 3737.1047617106. The cubic root of 13965952 is about 240.8186856138.

The spelling of 13965952 in words is "thirteen million, nine hundred sixty-five thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 11 13 14 16 22 26 28 32 44 52 56 64 77 88 91 104 109 112 128 143 154 176 182 208 218 224 286 308 352 364 416 436 448 572 616 704 728 763 832 872 896 1001 1144 1199 1232 1408 1417 1456 1526 1664 1744 2002 2288 2398 2464 2834 2912 3052 3488 4004 4576 4796 4928 5668 5824 6104 6976 8008 8393 9152 9592 9856 9919 11336 11648 12208 13952 15587 16016 16786 18304 19184 19838 22672 24416 31174 32032 33572 38368 39676 45344 48832 62348 64064 67144 76736 79352 90688 97664 109109 124696 128128 134288 153472 158704 181376 218218 249392 268576 317408 436436 498784 537152 634816 872872 997568 1074304 1269632 1745744 1995136 3491488 6982976 13965952