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89274231 = 341102151
BaseRepresentation
bin1010101001000…
…11011101110111
320012222121020000
411110203131313
5140323233411
612505242343
72132550504
oct524433567
9205877200
1089274231
1146436062
1225a933b3
13156597b7
14bbdc4ab
157c86956
hex5523777

89274231 has 10 divisors (see below), whose sum is σ = 133360392. Its totient is φ = 59516100.

The previous prime is 89274169. The next prime is 89274233. The reversal of 89274231 is 13247298.

It is not a de Polignac number, because 89274231 - 26 = 89274167 is a prime.

It is a super-2 number, since 2×892742312 = 15939776641282722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89274233) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 550995 + ... + 551156.

Almost surely, 289274231 is an apocalyptic number.

89274231 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

89274231 is a deficient number, since it is larger than the sum of its proper divisors (44086161).

89274231 is a wasteful number, since it uses less digits than its factorization.

89274231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102163 (or 1102154 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 89274231 is about 9448.5041673272. The cubic root of 89274231 is about 446.9326054873.

The spelling of 89274231 in words is "eighty-nine million, two hundred seventy-four thousand, two hundred thirty-one".

Divisors: 1 3 9 27 81 1102151 3306453 9919359 29758077 89274231