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12544672 = 25756003
BaseRepresentation
bin101111110110…
…101010100000
3212121100001111
4233312222200
511202412142
61124513104
7211425250
oct57665240
925540044
1012544672
117098aa8
12424b794
1327a2baa
141947960
15117be17
hexbf6aa0

12544672 has 24 divisors (see below), whose sum is σ = 28226016. Its totient is φ = 5376192.

The previous prime is 12544669. The next prime is 12544681. The reversal of 12544672 is 27644521.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 27778 + ... + 28225.

It is an arithmetic number, because the mean of its divisors is an integer number (1176084).

Almost surely, 212544672 is an apocalyptic number.

It is an amenable number.

12544672 is an abundant number, since it is smaller than the sum of its proper divisors (15681344).

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

12544672 is an equidigital number, since it uses as much as digits as its factorization.

12544672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56020 (or 56012 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 12544672 is about 3541.8458464479. The cubic root of 12544672 is about 232.3555784011.

The spelling of 12544672 in words is "twelve million, five hundred forty-four thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 56003 112006 224012 392021 448024 784042 896048 1568084 1792096 3136168 6272336 12544672