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87679163 = 1113613141
BaseRepresentation
bin1010011100111…
…10000010111011
320002222120012102
411032132002323
5134421213123
612411134015
72113155245
oct516360273
9202876172
1087679163
1145546720
122544430b
131521b780
14b905095
157a6e028
hex539e0bb

87679163 has 8 divisors (see below), whose sum is σ = 103007856. Its totient is φ = 73576800.

The previous prime is 87679157. The next prime is 87679169. The reversal of 87679163 is 36197678.

It is an interprime number because it is at equal distance from previous prime (87679157) and next prime (87679169).

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

It is not a de Polignac number, because 87679163 - 24 = 87679147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87679169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306428 + ... + 306713.

It is an arithmetic number, because the mean of its divisors is an integer number (12875982).

Almost surely, 287679163 is an apocalyptic number.

87679163 is a deficient number, since it is larger than the sum of its proper divisors (15328693).

87679163 is a wasteful number, since it uses less digits than its factorization.

87679163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613165.

The product of its digits is 381024, while the sum is 47.

The square root of 87679163 is about 9363.7152348841. The cubic root of 87679163 is about 444.2548029515.

The spelling of 87679163 in words is "eighty-seven million, six hundred seventy-nine thousand, one hundred sixty-three".

Divisors: 1 11 13 143 613141 6744551 7970833 87679163