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89075989 = 3111092591
BaseRepresentation
bin1010100111100…
…11000100010101
320012121112021201
411103303010111
5140300412424
612501112501
72131063522
oct523630425
9205545251
1089075989
1146310122
12259b8731
13155ba4b2
14bb8a149
157c47d44
hex54f3115

89075989 has 8 divisors (see below), whose sum is σ = 92067840. Its totient is φ = 86091600.

The previous prime is 89075953. The next prime is 89076007. The reversal of 89075989 is 98957098.

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

It is a cyclic number.

It is not a de Polignac number, because 89075989 - 215 = 89043221 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 (89075089) 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, 33084 + ... + 35674.

It is an arithmetic number, because the mean of its divisors is an integer number (11508480).

Almost surely, 289075989 is an apocalyptic number.

It is an amenable number.

89075989 is a deficient number, since it is larger than the sum of its proper divisors (2991851).

89075989 is a wasteful number, since it uses less digits than its factorization.

89075989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The square root of 89075989 is about 9438.0076817091. The cubic root of 89075989 is about 446.6015413948.

The spelling of 89075989 in words is "eighty-nine million, seventy-five thousand, nine hundred eighty-nine".

Divisors: 1 31 1109 2591 34379 80321 2873419 89075989