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87883986 = 2314647331
BaseRepresentation
bin1010011110100…
…00000011010010
320010100222011110
411033100003102
5134444241421
612415354150
72115000351
oct517200322
9203328143
1087883986
11456765a3
1225522956
1315290a78
14b959998
157aaea76
hex53d00d2

87883986 has 8 divisors (see below), whose sum is σ = 175767984. Its totient is φ = 29294660.

The previous prime is 87883979. The next prime is 87883997. The reversal of 87883986 is 68938878.

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

87883986 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7323660 + ... + 7323671.

It is an arithmetic number, because the mean of its divisors is an integer number (21970998).

Almost surely, 287883986 is an apocalyptic number.

87883986 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.

87883986 is a wasteful number, since it uses less digits than its factorization.

87883986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14647336.

The product of its digits is 4644864, while the sum is 57.

The square root of 87883986 is about 9374.6459133132. The cubic root of 87883986 is about 444.6004678924.

The spelling of 87883986 in words is "eighty-seven million, eight hundred eighty-three thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 14647331 29294662 43941993 87883986