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85013052 = 2237084421
BaseRepresentation
bin1010001000100…
…11001000111100
312220222002222120
411010103020330
5133230404202
612234042540
72051412315
oct504231074
9186862876
1085013052
1143a95623
1224579450
13147c70a7
14b40d60c
1576e40bc
hex511323c

85013052 has 12 divisors (see below), whose sum is σ = 198363816. Its totient is φ = 28337680.

The previous prime is 85013051. The next prime is 85013053. The reversal of 85013052 is 25031058.

It is an interprime number because it is at equal distance from previous prime (85013051) and next prime (85013053).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85013051) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3542199 + ... + 3542222.

It is an arithmetic number, because the mean of its divisors is an integer number (16530318).

Almost surely, 285013052 is an apocalyptic number.

It is an amenable number.

85013052 is an abundant number, since it is smaller than the sum of its proper divisors (113350764).

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

85013052 is a wasteful number, since it uses less digits than its factorization.

85013052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084428 (or 7084426 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 85013052 is about 9220.2522742060. The cubic root of 85013052 is about 439.7054709350.

The spelling of 85013052 in words is "eighty-five million, thirteen thousand, fifty-two".

Divisors: 1 2 3 4 6 12 7084421 14168842 21253263 28337684 42506526 85013052