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13970956 = 2231307367
BaseRepresentation
bin110101010010…
…111000001100
3222021210112211
4311102320030
512034032311
61215240204
7226515436
oct65227014
928253484
1013970956
11798264a
124819064
132b8214c
141bd9656
15135e821
hexd52e0c

13970956 has 24 divisors (see below), whose sum is σ = 25389056. Its totient is φ = 6719760.

The previous prime is 13970951. The next prime is 13970969. The reversal of 13970956 is 65907931.

It is a super-2 number, since 2×139709562 = 390375223107872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13970951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37885 + ... + 38251.

Almost surely, 213970956 is an apocalyptic number.

It is an amenable number.

13970956 is a deficient number, since it is larger than the sum of its proper divisors (11418100).

13970956 is a wasteful number, since it uses less digits than its factorization.

13970956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 13970956 is about 3737.7742039883. The cubic root of 13970956 is about 240.8474439543.

The spelling of 13970956 in words is "thirteen million, nine hundred seventy thousand, nine hundred fifty-six".

Divisors: 1 2 4 31 62 124 307 367 614 734 1228 1468 9517 11377 19034 22754 38068 45508 112669 225338 450676 3492739 6985478 13970956