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85015271 = 1131124851
BaseRepresentation
bin1010001000100…
…11101011100111
312220222020000202
411010103223213
5133230442041
612234101115
72051421635
oct504235347
9186866022
1085015271
1143a97260
122457a79b
13147c80c3
14b410355
1576e4a9b
hex5113ae7

85015271 has 8 divisors (see below), whose sum is σ = 93045888. Its totient is φ = 77035000.

The previous prime is 85015247. The next prime is 85015277. The reversal of 85015271 is 17251058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85015271 - 26 = 85015207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85015277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9005 + ... + 15846.

It is an arithmetic number, because the mean of its divisors is an integer number (11630736).

Almost surely, 285015271 is an apocalyptic number.

85015271 is a deficient number, since it is larger than the sum of its proper divisors (8030617).

85015271 is a wasteful number, since it uses less digits than its factorization.

85015271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25173.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 85015271 is about 9220.3726063538. The cubic root of 85015271 is about 439.7092966140.

The spelling of 85015271 in words is "eighty-five million, fifteen thousand, two hundred seventy-one".

Divisors: 1 11 311 3421 24851 273361 7728661 85015271