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13107976 = 2372310177
BaseRepresentation
bin110010000000…
…001100001000
3220122221202121
4302000030020
511323423401
61144541024
7216262450
oct62001410
926587677
1013107976
117443242
124481774
13293c3cb
141a52d60
15123dca1
hexc80308

13107976 has 32 divisors (see below), whose sum is σ = 29312640. Its totient is φ = 5372928.

The previous prime is 13107959. The next prime is 13108001. The reversal of 13107976 is 67970131.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

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, 3801 + ... + 6376.

It is an arithmetic number, because the mean of its divisors is an integer number (916020).

Almost surely, 213107976 is an apocalyptic number.

It is an amenable number.

13107976 is an abundant number, since it is smaller than the sum of its proper divisors (16204664).

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

13107976 is a wasteful number, since it uses less digits than its factorization.

13107976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10213 (or 10209 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 13107976 is about 3620.4938889605. The cubic root of 13107976 is about 235.7826688297.

The spelling of 13107976 in words is "thirteen million, one hundred seven thousand, nine hundred seventy-six".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 10177 20354 40708 71239 81416 142478 234071 284956 468142 569912 936284 1638497 1872568 3276994 6553988 13107976