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13708156 = 2271144507
BaseRepresentation
bin110100010010…
…101101111100
3221210110001111
4310102231330
512002130111
61205451404
7224342320
oct64225574
927713044
1013708156
117813160
124710b64
132abc647
141b6b980
15130ba21
hexd12b7c

13708156 has 24 divisors (see below), whose sum is σ = 29909376. Its totient is φ = 5340720.

The previous prime is 13708153. The next prime is 13708187. The reversal of 13708156 is 65180731.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13708153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21946 + ... + 22561.

It is an arithmetic number, because the mean of its divisors is an integer number (1246224).

Almost surely, 213708156 is an apocalyptic number.

It is an amenable number.

13708156 is an abundant number, since it is smaller than the sum of its proper divisors (16201220).

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

13708156 is a wasteful number, since it uses less digits than its factorization.

13708156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44529 (or 44527 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 13708156 is about 3702.4527005757. The cubic root of 13708156 is about 239.3277251000.

Adding to 13708156 its reverse (65180731), we get a palindrome (78888887).

The spelling of 13708156 in words is "thirteen million, seven hundred eight thousand, one hundred fifty-six".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 44507 89014 178028 311549 489577 623098 979154 1246196 1958308 3427039 6854078 13708156