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85113770 = 2574328277
BaseRepresentation
bin1010001001010…
…11101110101010
312221011020010212
411010223232222
5133242120040
612240141122
72052312050
oct504535652
9187136125
1085113770
1144054265
12246077a2
1314830ba1
14b4381d0
157713d65
hex512bbaa

85113770 has 32 divisors (see below), whose sum is σ = 179169408. Its totient is φ = 28502208.

The previous prime is 85113767. The next prime is 85113773. The reversal of 85113770 is 7731158.

It is an interprime number because it is at equal distance from previous prime (85113767) and next prime (85113773).

It is a super-2 number, since 2×851137702 = 14488707687225800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85113773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11129 + ... + 17148.

It is an arithmetic number, because the mean of its divisors is an integer number (5599044).

Almost surely, 285113770 is an apocalyptic number.

85113770 is an abundant number, since it is smaller than the sum of its proper divisors (94055638).

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

85113770 is a wasteful number, since it uses less digits than its factorization.

85113770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28334.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 85113770 is about 9225.7124386142. The cubic root of 85113770 is about 439.8790473326.

The spelling of 85113770 in words is "eighty-five million, one hundred thirteen thousand, seven hundred seventy".

Divisors: 1 2 5 7 10 14 35 43 70 86 215 301 430 602 1505 3010 28277 56554 141385 197939 282770 395878 989695 1215911 1979390 2431822 6079555 8511377 12159110 17022754 42556885 85113770