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85111937 = 2312293011
BaseRepresentation
bin1010001001010…
…11010010000001
312221011010121222
411010223102001
5133242040222
612240124425
72052303521
oct504532201
9187133558
1085111937
1144052949
1224606715
13148300c1
14b437681
157713542
hex512b481

85111937 has 8 divisors (see below), whose sum is σ = 88914240. Its totient is φ = 81318160.

The previous prime is 85111933. The next prime is 85111987. The reversal of 85111937 is 73911158.

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 85111937 - 22 = 85111933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85111897 and 85111906.

It is not an unprimeable number, because it can be changed into a prime (85111933) 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, 26762 + ... + 29772.

It is an arithmetic number, because the mean of its divisors is an integer number (11114280).

Almost surely, 285111937 is an apocalyptic number.

It is an amenable number.

85111937 is a deficient number, since it is larger than the sum of its proper divisors (3802303).

85111937 is a wasteful number, since it uses less digits than its factorization.

85111937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263.

The product of its digits is 7560, while the sum is 35.

The square root of 85111937 is about 9225.6130961579. The cubic root of 85111937 is about 439.8758895824.

The spelling of 85111937 in words is "eighty-five million, one hundred eleven thousand, nine hundred thirty-seven".

Divisors: 1 23 1229 3011 28267 69253 3700519 85111937