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85468161 = 32311031123
BaseRepresentation
bin1010001100000…
…10010000000001
312221211020021110
411012002100001
5133334440121
612251513533
72055316212
oct506022001
9187736243
1085468161
1144276549
12247588a9
131492629c
14b4cb409
157783d76
hex5182401

85468161 has 16 divisors (see below), whose sum is σ = 119126016. Its totient is φ = 54403536.

The previous prime is 85468157. The next prime is 85468169. The reversal of 85468161 is 16186458.

It is not a de Polignac number, because 85468161 - 22 = 85468157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85468169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75546 + ... + 76668.

It is an arithmetic number, because the mean of its divisors is an integer number (7445376).

Almost surely, 285468161 is an apocalyptic number.

It is an amenable number.

85468161 is a deficient number, since it is larger than the sum of its proper divisors (33657855).

85468161 is a wasteful number, since it uses less digits than its factorization.

85468161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252.

The product of its digits is 46080, while the sum is 39.

The square root of 85468161 is about 9244.8991882010. The cubic root of 85468161 is about 440.4887148958.

The spelling of 85468161 in words is "eighty-five million, four hundred sixty-eight thousand, one hundred sixty-one".

Divisors: 1 3 23 69 1103 1123 3309 3369 25369 25829 76107 77487 1238669 3716007 28489387 85468161