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89238136 = 23131945161
BaseRepresentation
bin1010101000110…
…10101001111000
320012220202201011
411110122221320
5140321110021
612504403304
72132340331
oct524325170
9205822634
1089238136
1146410a29
1225a76534
1315646240
14bbcd288
157c7ade1
hex551aa78

89238136 has 32 divisors (see below), whose sum is σ = 189680400. Its totient is φ = 39018240.

The previous prime is 89238109. The next prime is 89238143. The reversal of 89238136 is 63183298.

It is a congruent number.

It is an unprimeable number.

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, 20605 + ... + 24556.

Almost surely, 289238136 is an apocalyptic number.

It is an amenable number.

89238136 is an abundant number, since it is smaller than the sum of its proper divisors (100442264).

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

89238136 is a wasteful number, since it uses less digits than its factorization.

89238136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45199 (or 45195 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 89238136 is about 9446.5938835117. The cubic root of 89238136 is about 446.8723633665.

The spelling of 89238136 in words is "eighty-nine million, two hundred thirty-eight thousand, one hundred thirty-six".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 988 1976 45161 90322 180644 361288 587093 858059 1174186 1716118 2348372 3432236 4696744 6864472 11154767 22309534 44619068 89238136