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87671716 = 221110931823
BaseRepresentation
bin1010011100111…
…00001110100100
320002222011222121
411032130032210
5134420443331
612411035324
72113124446
oct516341644
9202864877
1087671716
1145541070
122543bb44
1315218272
14b902496
157a6bc11
hex539c3a4

87671716 has 24 divisors (see below), whose sum is σ = 167618304. Its totient is φ = 39792480.

The previous prime is 87671707. The next prime is 87671741. The reversal of 87671716 is 61717678.

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 7 ways as a sum of consecutive naturals, for example, 47181 + ... + 49003.

It is an arithmetic number, because the mean of its divisors is an integer number (6984096).

Almost surely, 287671716 is an apocalyptic number.

It is an amenable number.

87671716 is a deficient number, since it is larger than the sum of its proper divisors (79946588).

87671716 is a wasteful number, since it uses less digits than its factorization.

87671716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931 (or 2929 counting only the distinct ones).

The product of its digits is 98784, while the sum is 43.

The square root of 87671716 is about 9363.3175744498. The cubic root of 87671716 is about 444.2422250517.

The spelling of 87671716 in words is "eighty-seven million, six hundred seventy-one thousand, seven hundred sixteen".

Divisors: 1 2 4 11 22 44 1093 1823 2186 3646 4372 7292 12023 20053 24046 40106 48092 80212 1992539 3985078 7970156 21917929 43835858 87671716