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87503982 = 2314583997
BaseRepresentation
bin1010011011100…
…11010001101110
320002122122220020
411031303101232
5134400111412
612403303010
72111525436
oct515632156
9202578806
1087503982
1145437045
122537aa66
1315189b07
14b89b2c6
157a3718c
hex537346e

87503982 has 8 divisors (see below), whose sum is σ = 175007976. Its totient is φ = 29167992.

The previous prime is 87503957. The next prime is 87503993. The reversal of 87503982 is 28930578.

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

87503982 is an admirable number.

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, 7291993 + ... + 7292004.

It is an arithmetic number, because the mean of its divisors is an integer number (21875997).

Almost surely, 287503982 is an apocalyptic number.

87503982 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.

87503982 is a wasteful number, since it uses less digits than its factorization.

87503982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14584002.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 87503982 is about 9354.3563113664. The cubic root of 87503982 is about 443.9587353096.

The spelling of 87503982 in words is "eighty-seven million, five hundred three thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 14583997 29167994 43751991 87503982