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85444902 = 2334138593
BaseRepresentation
bin1010001011111…
…00100100100110
312221210001101000
411011330210212
5133333214102
612251214130
72055161334
oct505744446
9187701330
1085444902
1144260024
1224747346
131491881a
14b4c2b54
15777c01c
hex517c926

85444902 has 32 divisors (see below), whose sum is σ = 194513760. Its totient is φ = 27786240.

The previous prime is 85444901. The next prime is 85444927. The reversal of 85444902 is 20944458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85444901) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17083 + ... + 21510.

It is an arithmetic number, because the mean of its divisors is an integer number (6078555).

Almost surely, 285444902 is an apocalyptic number.

85444902 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

85444902 is an abundant number, since it is smaller than the sum of its proper divisors (109068858).

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

85444902 is a wasteful number, since it uses less digits than its factorization.

85444902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38645 (or 38639 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 85444902 is about 9243.6411656879. The cubic root of 85444902 is about 440.4487535956.

The spelling of 85444902 in words is "eighty-five million, four hundred forty-four thousand, nine hundred two".

Divisors: 1 2 3 6 9 18 27 41 54 82 123 246 369 738 1107 2214 38593 77186 115779 231558 347337 694674 1042011 1582313 2084022 3164626 4746939 9493878 14240817 28481634 42722451 85444902