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27434868 = 2232286239
BaseRepresentation
bin110100010100…
…1111101110100
31220121211120020
41220221331310
524010403433
62420005140
7452123016
oct150517564
956554506
1027434868
111453924a
1292307b0
1358b7566
1439021b6
15261dcb3
hex1a29f74

27434868 has 12 divisors (see below), whose sum is σ = 64014720. Its totient is φ = 9144952.

The previous prime is 27434851. The next prime is 27434893. The reversal of 27434868 is 86843472.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143108 + ... + 1143131.

It is an arithmetic number, because the mean of its divisors is an integer number (5334560).

Almost surely, 227434868 is an apocalyptic number.

It is an amenable number.

27434868 is an abundant number, since it is smaller than the sum of its proper divisors (36579852).

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

27434868 is a wasteful number, since it uses less digits than its factorization.

27434868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286246 (or 2286244 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 27434868 is about 5237.8304669013. The cubic root of 27434868 is about 301.6020517606.

The spelling of 27434868 in words is "twenty-seven million, four hundred thirty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 2286239 4572478 6858717 9144956 13717434 27434868