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85137184 = 2511241867
BaseRepresentation
bin1010001001100…
…01011100100000
312221012102021001
411010301130200
5133243342214
612240441344
72052440236
oct504613440
9187172231
1085137184
114406a910
1224619254
131483b742
14b442956
15771ac74
hex5131720

85137184 has 24 divisors (see below), whose sum is σ = 182852208. Its totient is φ = 38698560.

The previous prime is 85137181. The next prime is 85137187. The reversal of 85137184 is 48173158.

It is an interprime number because it is at equal distance from previous prime (85137181) and next prime (85137187).

It is not an unprimeable number, because it can be changed into a prime (85137181) 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, 120582 + ... + 121285.

It is an arithmetic number, because the mean of its divisors is an integer number (7618842).

Almost surely, 285137184 is an apocalyptic number.

It is an amenable number.

85137184 is an abundant number, since it is smaller than the sum of its proper divisors (97715024).

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

85137184 is a wasteful number, since it uses less digits than its factorization.

85137184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241888 (or 241880 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 85137184 is about 9226.9813048472. The cubic root of 85137184 is about 439.9193791682.

The spelling of 85137184 in words is "eighty-five million, one hundred thirty-seven thousand, one hundred eighty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 241867 483734 967468 1934936 2660537 3869872 5321074 7739744 10642148 21284296 42568592 85137184