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13825408 = 27108011
BaseRepresentation
bin110100101111…
…010110000000
3222000101220011
4310233112000
512014403113
61212154304
7225341212
oct64572600
928011804
1013825408
117893263
124768994
132b30b1c
141b9c5b2
15133163d
hexd2f580

13825408 has 16 divisors (see below), whose sum is σ = 27543060. Its totient is φ = 6912640.

The previous prime is 13825391. The next prime is 13825453. The reversal of 13825408 is 80452831.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×138254082 = 382283812732928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13825408.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 53878 + ... + 54133.

Almost surely, 213825408 is an apocalyptic number.

It is an amenable number.

13825408 is a deficient number, since it is larger than the sum of its proper divisors (13717652).

13825408 is an equidigital number, since it uses as much as digits as its factorization.

13825408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108025 (or 108013 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 13825408 is about 3718.2533533905. The cubic root of 13825408 is about 240.0081478715.

The spelling of 13825408 in words is "thirteen million, eight hundred twenty-five thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 64 128 108011 216022 432044 864088 1728176 3456352 6912704 13825408