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13872608 = 25894871
BaseRepresentation
bin110100111010…
…110111100000
3222002210122022
4310322313200
512022410413
61213201012
7225625631
oct64726740
928083568
1013872608
117915772
124790168
132b49459
141bb1888
151340608
hexd3ade0

13872608 has 24 divisors (see below), whose sum is σ = 27624240. Its totient is φ = 6856960.

The previous prime is 13872601. The next prime is 13872613. The reversal of 13872608 is 80627831.

It is a super-3 number, since 3×138726083 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13872601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413 + ... + 5283.

It is an arithmetic number, because the mean of its divisors is an integer number (1151010).

Almost surely, 213872608 is an apocalyptic number.

It is an amenable number.

13872608 is a deficient number, since it is larger than the sum of its proper divisors (13751632).

13872608 is an equidigital number, since it uses as much as digits as its factorization.

13872608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970 (or 4962 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 13872608 is about 3724.5950115415. The cubic root of 13872608 is about 240.2809672405.

The spelling of 13872608 in words is "thirteen million, eight hundred seventy-two thousand, six hundred eight".

Divisors: 1 2 4 8 16 32 89 178 356 712 1424 2848 4871 9742 19484 38968 77936 155872 433519 867038 1734076 3468152 6936304 13872608