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13895538 = 2310921247
BaseRepresentation
bin110101000000…
…011101110010
3222010222002120
4311000131302
512024124123
61213455110
7226052526
oct65003562
928128076
1013895538
117930a18
1247a1496
132b56a17
141bb9d86
1513472e3
hexd40772

13895538 has 16 divisors (see below), whose sum is σ = 28047360. Its totient is φ = 4589136.

The previous prime is 13895537. The next prime is 13895543. The reversal of 13895538 is 83559831.

It is a self number, because there is not a number n which added to its sum of digits gives 13895538.

It is not an unprimeable number, because it can be changed into a prime (13895537) 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, 9970 + ... + 11277.

It is an arithmetic number, because the mean of its divisors is an integer number (1752960).

Almost surely, 213895538 is an apocalyptic number.

13895538 is an abundant number, since it is smaller than the sum of its proper divisors (14151822).

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

13895538 is a wasteful number, since it uses less digits than its factorization.

13895538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21361.

The product of its digits is 129600, while the sum is 42.

The square root of 13895538 is about 3727.6719276245. The cubic root of 13895538 is about 240.4132809755.

The spelling of 13895538 in words is "thirteen million, eight hundred ninety-five thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 109 218 327 654 21247 42494 63741 127482 2315923 4631846 6947769 13895538