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89417087 = 615114537
BaseRepresentation
bin1010101010001…
…10010101111111
320020020212011222
411111012111333
5140342321322
612512303555
72134014134
oct525062577
9206225158
1089417087
1146523421
1225b41bbb
13156a9826
14bc3858b
157cb3e42
hex554657f

89417087 has 4 divisors (see below), whose sum is σ = 89437776. Its totient is φ = 89396400.

The previous prime is 89417057. The next prime is 89417089. The reversal of 89417087 is 78071498.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89417087 - 212 = 89412991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89417089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118 + ... + 13419.

It is an arithmetic number, because the mean of its divisors is an integer number (22359444).

Almost surely, 289417087 is an apocalyptic number.

89417087 is a deficient number, since it is larger than the sum of its proper divisors (20689).

89417087 is a wasteful number, since it uses less digits than its factorization.

89417087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20688.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 89417087 is about 9456.0608606332. The cubic root of 89417087 is about 447.1708712518.

The spelling of 89417087 in words is "eighty-nine million, four hundred seventeen thousand, eighty-seven".

Divisors: 1 6151 14537 89417087