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13102908 = 223713371
BaseRepresentation
bin110001111110…
…111100111100
3220122200210220
4301332330330
511323243113
61144501340
7216241620
oct61767474
926580726
1013102908
11743a455
12447a850
13293a000
141a51180
15123c523
hexc7ef3c

13102908 has 96 divisors (see below), whose sum is σ = 38384640. Its totient is φ = 3407040.

The previous prime is 13102907. The next prime is 13102909. The reversal of 13102908 is 80920131.

It is an interprime number because it is at equal distance from previous prime (13102907) and next prime (13102909).

It is a hoax number, since the sum of its digits (24) 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 (13102907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184513 + ... + 184583.

It is an arithmetic number, because the mean of its divisors is an integer number (399840).

Almost surely, 213102908 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 13102908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19192320).

13102908 is an abundant number, since it is smaller than the sum of its proper divisors (25281732).

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

13102908 is a wasteful number, since it uses less digits than its factorization.

13102908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 13102908 is about 3619.7939167859. The cubic root of 13102908 is about 235.7522776490.

The spelling of 13102908 in words is "thirteen million, one hundred two thousand, nine hundred eight".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 71 78 84 91 142 156 169 182 213 273 284 338 364 426 497 507 546 676 852 923 994 1014 1092 1183 1491 1846 1988 2028 2197 2366 2769 2982 3549 3692 4394 4732 5538 5964 6461 6591 7098 8788 11076 11999 12922 13182 14196 15379 19383 23998 25844 26364 30758 35997 38766 46137 47996 61516 71994 77532 83993 92274 143988 155987 167986 184548 251979 311974 335972 467961 503958 623948 935922 1007916 1091909 1871844 2183818 3275727 4367636 6551454 13102908