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87125394 = 2314520899
BaseRepresentation
bin1010011000101…
…10110110010010
320001221102120110
411030112312102
5134301003034
612351222150
72105360616
oct514266622
9201842513
1087125394
11451a8664
1225217956
13150866b5
14b7dd346
1579aede9
hex5316d92

87125394 has 8 divisors (see below), whose sum is σ = 174250800. Its totient is φ = 29041796.

The previous prime is 87125377. The next prime is 87125419. The reversal of 87125394 is 49352178.

It is a sphenic number, since it is the product of 3 distinct primes.

87125394 is an admirable number.

It is a Curzon number.

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, 7260444 + ... + 7260455.

It is an arithmetic number, because the mean of its divisors is an integer number (21781350).

Almost surely, 287125394 is an apocalyptic number.

87125394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87125394 is a wasteful number, since it uses less digits than its factorization.

87125394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14520904.

The product of its digits is 60480, while the sum is 39.

The square root of 87125394 is about 9334.0984567338. The cubic root of 87125394 is about 443.3175437998.

The spelling of 87125394 in words is "eighty-seven million, one hundred twenty-five thousand, three hundred ninety-four".

Divisors: 1 2 3 6 14520899 29041798 43562697 87125394