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89273288 = 2313858397
BaseRepresentation
bin1010101001000…
…11001111001000
320012222112221002
411110203033020
5140323221123
612505234132
72132544656
oct524431710
9205875832
1089273288
1146435385
1225a92948
1315659240
14bbdbdd6
157c86528
hex55233c8

89273288 has 16 divisors (see below), whose sum is σ = 180263580. Its totient is φ = 41203008.

The previous prime is 89273263. The next prime is 89273297. The reversal of 89273288 is 88237298.

It can be written as a sum of positive squares in 2 ways, for example, as 88698724 + 574564 = 9418^2 + 758^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429095 + ... + 429302.

Almost surely, 289273288 is an apocalyptic number.

It is an amenable number.

89273288 is an abundant number, since it is smaller than the sum of its proper divisors (90990292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89273288 is a wasteful number, since it uses less digits than its factorization.

89273288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858416 (or 858412 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 89273288 is about 9448.4542651166. The cubic root of 89273288 is about 446.9310318383.

The spelling of 89273288 in words is "eighty-nine million, two hundred seventy-three thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 13 26 52 104 858397 1716794 3433588 6867176 11159161 22318322 44636644 89273288