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85438026 = 2327960083
BaseRepresentation
bin1010001011110…
…10111001001010
312221202200221100
411011322321022
5133333004101
612251122230
72055132312
oct505727112
9187680840
1085438026
1144255943
1224743376
131491565b
14b4c0442
157779e86
hex517ae4a

85438026 has 24 divisors (see below), whose sum is σ = 187462080. Its totient is φ = 28118376.

The previous prime is 85438019. The next prime is 85438027. The reversal of 85438026 is 62083458.

It is not an unprimeable number, because it can be changed into a prime (85438027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28620 + ... + 31463.

It is an arithmetic number, because the mean of its divisors is an integer number (7810920).

Almost surely, 285438026 is an apocalyptic number.

85438026 is an abundant number, since it is smaller than the sum of its proper divisors (102024054).

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

85438026 is a wasteful number, since it uses less digits than its factorization.

85438026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60170 (or 60167 counting only the distinct ones).

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

The square root of 85438026 is about 9243.2692268483. The cubic root of 85438026 is about 440.4369385475.

The spelling of 85438026 in words is "eighty-five million, four hundred thirty-eight thousand, twenty-six".

Divisors: 1 2 3 6 9 18 79 158 237 474 711 1422 60083 120166 180249 360498 540747 1081494 4746557 9493114 14239671 28479342 42719013 85438026