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85625930 = 2513709929
BaseRepresentation
bin1010001101010…
…00110001001010
312222010020200202
411012220301022
5133410012210
612255132202
72056544165
oct506506112
9188106622
1085625930
1144374035
1224814062
1314980040
14b52cadc
1577b59a5
hex51a8c4a

85625930 has 32 divisors (see below), whose sum is σ = 166395600. Its totient is φ = 31537152.

The previous prime is 85625887. The next prime is 85625977. The reversal of 85625930 is 3952658.

It can be written as a sum of positive squares in 8 ways, for example, as 7921 + 85618009 = 89^2 + 9253^2 .

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 15 ways as a sum of consecutive naturals, for example, 91706 + ... + 92634.

Almost surely, 285625930 is an apocalyptic number.

85625930 is a deficient number, since it is larger than the sum of its proper divisors (80769670).

85625930 is a wasteful number, since it uses less digits than its factorization.

85625930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 85625930 is about 9253.4280134445. The cubic root of 85625930 is about 440.7595867058.

The spelling of 85625930 in words is "eighty-five million, six hundred twenty-five thousand, nine hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 709 929 1418 1858 3545 4645 7090 9217 9290 12077 18434 24154 46085 60385 92170 120770 658661 1317322 3293305 6586610 8562593 17125186 42812965 85625930