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13807408 = 241376299
BaseRepresentation
bin110100101010…
…111100110000
3221222111012111
4310222330300
512013314113
61211535104
7225234556
oct64527460
927874174
1013807408
11788078a
12475a494
132b25884
141b95bd6
15132b13d
hexd2af30

13807408 has 20 divisors (see below), whose sum is σ = 26951400. Its totient is φ = 6852224.

The previous prime is 13807403. The next prime is 13807421. The reversal of 13807408 is 80470831.

It is a happy number.

13807408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13807408.

It is not an unprimeable number, because it can be changed into a prime (13807403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958 + ... + 5341.

It is an arithmetic number, because the mean of its divisors is an integer number (1347570).

Almost surely, 213807408 is an apocalyptic number.

It is an amenable number.

13807408 is a deficient number, since it is larger than the sum of its proper divisors (13143992).

13807408 is a wasteful number, since it uses less digits than its factorization.

13807408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444 (or 6438 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 13807408 is about 3715.8320737084. The cubic root of 13807408 is about 239.9039430410.

The spelling of 13807408 in words is "thirteen million, eight hundred seven thousand, four hundred eight".

Divisors: 1 2 4 8 16 137 274 548 1096 2192 6299 12598 25196 50392 100784 862963 1725926 3451852 6903704 13807408