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89679387 = 374270447
BaseRepresentation
bin1010101100001…
…10011000011011
320020202011222210
411112012120123
5140424220022
612522050203
72136155640
oct526063033
9206664883
1089679387
11466924a6
1226049963
131576c035
14bca5dc7
157d16a0c
hex558661b

89679387 has 8 divisors (see below), whose sum is σ = 136654336. Its totient is φ = 51245352.

The previous prime is 89679383. The next prime is 89679409. The reversal of 89679387 is 78397698.

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

It is not a de Polignac number, because 89679387 - 22 = 89679383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89679383) by changing a digit.

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, 2135203 + ... + 2135244.

It is an arithmetic number, because the mean of its divisors is an integer number (17081792).

Almost surely, 289679387 is an apocalyptic number.

89679387 is a deficient number, since it is larger than the sum of its proper divisors (46974949).

89679387 is a wasteful number, since it uses less digits than its factorization.

89679387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270457.

The product of its digits is 4572288, while the sum is 57.

The square root of 89679387 is about 9469.9201158194. The cubic root of 89679387 is about 447.6076946051.

The spelling of 89679387 in words is "eighty-nine million, six hundred seventy-nine thousand, three hundred eighty-seven".

Divisors: 1 3 7 21 4270447 12811341 29893129 89679387