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87572382 = 2314595397
BaseRepresentation
bin1010011100000…
…11111110011110
320002210010201120
411032003332132
5134404304012
612404551410
72112232032
oct516037636
9202703646
1087572382
1145483477
12253b2566
13151b1ca1
14b8b81c2
157a4c58c
hex5383f9e

87572382 has 8 divisors (see below), whose sum is σ = 175144776. Its totient is φ = 29190792.

The previous prime is 87572371. The next prime is 87572383. The reversal of 87572382 is 28327578.

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

87572382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87572383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7297693 + ... + 7297704.

It is an arithmetic number, because the mean of its divisors is an integer number (21893097).

Almost surely, 287572382 is an apocalyptic number.

87572382 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.

87572382 is a wasteful number, since it uses less digits than its factorization.

87572382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14595402.

The product of its digits is 188160, while the sum is 42.

The square root of 87572382 is about 9358.0116477807. The cubic root of 87572382 is about 444.0743828793.

The spelling of 87572382 in words is "eighty-seven million, five hundred seventy-two thousand, three hundred eighty-two".

Divisors: 1 2 3 6 14595397 29190794 43786191 87572382