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87834025 = 5221116651
BaseRepresentation
bin1010011110000…
…11110110101001
320010021102122001
411033003312221
5134441142100
612414331001
72114401606
oct517036651
9203242561
1087834025
1145642004
12254b9a61
13152740c6
14b9456ad
157a9ed6a
hex53c3da9

87834025 has 12 divisors (see below), whose sum is σ = 109436944. Its totient is φ = 69930000.

The previous prime is 87834007. The next prime is 87834031. The reversal of 87834025 is 52043878.

It is not a de Polignac number, because 87834025 - 27 = 87833897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3051 + ... + 13600.

Almost surely, 287834025 is an apocalyptic number.

It is an amenable number.

87834025 is a deficient number, since it is larger than the sum of its proper divisors (21602919).

87834025 is a wasteful number, since it uses less digits than its factorization.

87834025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16872 (or 16867 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 87834025 is about 9371.9808471849. The cubic root of 87834025 is about 444.5162018976.

The spelling of 87834025 in words is "eighty-seven million, eight hundred thirty-four thousand, twenty-five".

Divisors: 1 5 25 211 1055 5275 16651 83255 416275 3513361 17566805 87834025