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85057112 = 2379371621
BaseRepresentation
bin1010001000111…
…01111001011000
312221001100102102
411010131321120
5133233311422
612235022532
72051654630
oct504357130
9187040372
1085057112
1144015738
122459aa48
131481116a
14b4216c0
157702192
hex511de58

85057112 has 32 divisors (see below), whose sum is σ = 182572320. Its totient is φ = 36391680.

The previous prime is 85057109. The next prime is 85057183. The reversal of 85057112 is 21175058.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51662 + ... + 53282.

It is an arithmetic number, because the mean of its divisors is an integer number (5705385).

Almost surely, 285057112 is an apocalyptic number.

It is an amenable number.

85057112 is an abundant number, since it is smaller than the sum of its proper divisors (97515208).

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

85057112 is a wasteful number, since it uses less digits than its factorization.

85057112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571 (or 2567 counting only the distinct ones).

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

The square root of 85057112 is about 9222.6412702653. The cubic root of 85057112 is about 439.7814203594.

The spelling of 85057112 in words is "eighty-five million, fifty-seven thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 937 1621 1874 3242 3748 6484 6559 7496 11347 12968 13118 22694 26236 45388 52472 90776 1518877 3037754 6075508 10632139 12151016 21264278 42528556 85057112