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85624828 = 2221406207
BaseRepresentation
bin1010001101010…
…00011111111100
312222010012011221
411012220133330
5133404443303
612255123124
72056541032
oct506503774
9188105157
1085624828
1144373223
12248134a4
131497c6a3
14b52c552
1577b54bd
hex51a87fc

85624828 has 6 divisors (see below), whose sum is σ = 149843456. Its totient is φ = 42812412.

The previous prime is 85624751. The next prime is 85624843. The reversal of 85624828 is 82842658.

It is a super-2 number, since 2×856248282 = 14663222340059168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10703100 + ... + 10703107.

Almost surely, 285624828 is an apocalyptic number.

It is an amenable number.

85624828 is a deficient number, since it is larger than the sum of its proper divisors (64218628).

85624828 is a wasteful number, since it uses less digits than its factorization.

85624828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21406211 (or 21406209 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 85624828 is about 9253.3684677527. The cubic root of 85624828 is about 440.7576958489.

The spelling of 85624828 in words is "eighty-five million, six hundred twenty-four thousand, eight hundred twenty-eight".

Divisors: 1 2 4 21406207 42812414 85624828