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13393668 = 2231378147
BaseRepresentation
bin110011000101…
…111100000100
3221012110122210
4303011330010
511412044133
61155023420
7221562411
oct63057404
927173583
1013393668
117618952
12459ab70
132a0c462
141ac9108
151298763
hexcc5f04

13393668 has 24 divisors (see below), whose sum is σ = 31483872. Its totient is φ = 4431424.

The previous prime is 13393661. The next prime is 13393687. The reversal of 13393668 is 86639331.

It is not an unprimeable number, because it can be changed into a prime (13393661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2430 + ... + 5717.

It is an arithmetic number, because the mean of its divisors is an integer number (1311828).

Almost surely, 213393668 is an apocalyptic number.

It is an amenable number.

13393668 is an abundant number, since it is smaller than the sum of its proper divisors (18090204).

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

13393668 is a wasteful number, since it uses less digits than its factorization.

13393668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8291 (or 8289 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 13393668 is about 3659.7360560565. The cubic root of 13393668 is about 237.4833554356.

The spelling of 13393668 in words is "thirteen million, three hundred ninety-three thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 8147 16294 24441 32588 48882 97764 1116139 2232278 3348417 4464556 6696834 13393668