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87734427 = 31110924391
BaseRepresentation
bin1010011101010…
…11100010011011
320010002101000020
411032223202123
5134430000202
612412241523
72113505334
oct516534233
9203071006
1087734427
11455841a0
12254702a3
131523a981
14b91b28b
157a805bc
hex53ab89b

87734427 has 16 divisors (see below), whose sum is σ = 128789760. Its totient is φ = 52682400.

The previous prime is 87734417. The next prime is 87734429. The reversal of 87734427 is 72443778.

It is not a de Polignac number, because 87734427 - 24 = 87734411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87734429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8599 + ... + 15792.

It is an arithmetic number, because the mean of its divisors is an integer number (8049360).

Almost surely, 287734427 is an apocalyptic number.

87734427 is a deficient number, since it is larger than the sum of its proper divisors (41055333).

87734427 is a wasteful number, since it uses less digits than its factorization.

87734427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24514.

The product of its digits is 263424, while the sum is 42.

The square root of 87734427 is about 9366.6657354685. The cubic root of 87734427 is about 444.3481209843.

The spelling of 87734427 in words is "eighty-seven million, seven hundred thirty-four thousand, four hundred twenty-seven".

Divisors: 1 3 11 33 109 327 1199 3597 24391 73173 268301 804903 2658619 7975857 29244809 87734427