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85625792 = 2671311459
BaseRepresentation
bin1010001101010…
…00101111000000
312222010020111122
411012220233000
5133410011132
612255131412
72056543610
oct506505700
9188106448
1085625792
1144373a1a
1224813b68
131497cc65
14b52ca40
1577b5912
hex51a8bc0

85625792 has 56 divisors (see below), whose sum is σ = 195803520. Its totient is φ = 36391680.

The previous prime is 85625783. The next prime is 85625819. The reversal of 85625792 is 29752658.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57959 + ... + 59417.

Almost surely, 285625792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85625792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97901760).

85625792 is an abundant number, since it is smaller than the sum of its proper divisors (110177728).

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

85625792 is a wasteful number, since it uses less digits than its factorization.

85625792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1599 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 85625792 is about 9253.4205567455. The cubic root of 85625792 is about 440.7593499206.

The spelling of 85625792 in words is "eighty-five million, six hundred twenty-five thousand, seven hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 131 224 262 448 524 917 1048 1459 1834 2096 2918 3668 4192 5836 7336 8384 10213 11672 14672 20426 23344 29344 40852 46688 58688 81704 93376 163408 191129 326816 382258 653632 764516 1337903 1529032 2675806 3058064 5351612 6116128 10703224 12232256 21406448 42812896 85625792