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13568164 = 223392041
BaseRepresentation
bin110011110000…
…100010100100
3221112100000121
4303300202210
511433140124
61202451324
7223220221
oct63604244
927470017
1013568164
117727a65
124663b44
132a709cc
141b32948
1512d02e4
hexcf08a4

13568164 has 6 divisors (see below), whose sum is σ = 23744294. Its totient is φ = 6784080.

The previous prime is 13568161. The next prime is 13568167. The reversal of 13568164 is 46186531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13568161) and next prime (13568167).

It can be written as a sum of positive squares in only one way, i.e., 9734400 + 3833764 = 3120^2 + 1958^2 .

It is not an unprimeable number, because it can be changed into a prime (13568161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1696017 + ... + 1696024.

Almost surely, 213568164 is an apocalyptic number.

It is an amenable number.

13568164 is a deficient number, since it is larger than the sum of its proper divisors (10176130).

13568164 is a wasteful number, since it uses less digits than its factorization.

13568164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392045 (or 3392043 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 13568164 is about 3683.4988801410. The cubic root of 13568164 is about 238.5102392808.

The spelling of 13568164 in words is "thirteen million, five hundred sixty-eight thousand, one hundred sixty-four".

Divisors: 1 2 4 3392041 6784082 13568164