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85527039 = 3137732837
BaseRepresentation
bin1010001100100…
…00100111111111
312221221020001010
411012100213333
5133343331124
612253050303
72055652653
oct506204777
9187836033
1085527039
1144306804
1224786993
1314947020
14b504a63
157796529
hex51909ff

85527039 has 16 divisors (see below), whose sum is σ = 123010272. Its totient is φ = 52545408.

The previous prime is 85527031. The next prime is 85527053. The reversal of 85527039 is 93072558.

It is not a de Polignac number, because 85527039 - 23 = 85527031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 85526988 and 85527006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85527031) 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, 28729 + ... + 31565.

It is an arithmetic number, because the mean of its divisors is an integer number (7688142).

Almost surely, 285527039 is an apocalyptic number.

85527039 is a deficient number, since it is larger than the sum of its proper divisors (37483233).

85527039 is a wasteful number, since it uses less digits than its factorization.

85527039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 85527039 is about 9248.0829905446. The cubic root of 85527039 is about 440.5898408242.

The spelling of 85527039 in words is "eighty-five million, five hundred twenty-seven thousand, thirty-nine".

Divisors: 1 3 13 39 773 2319 2837 8511 10049 30147 36881 110643 2193001 6579003 28509013 85527039