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85445364 = 2237120447
BaseRepresentation
bin1010001011111…
…00101011110100
312221210002000010
411011330223310
5133333222424
612251220220
72055162564
oct505745364
9187702003
1085445364
1144260404
1224747670
1314918ab4
14b4c2da4
15777c229
hex517caf4

85445364 has 12 divisors (see below), whose sum is σ = 199372544. Its totient is φ = 28481784.

The previous prime is 85445363. The next prime is 85445369. The reversal of 85445364 is 46354458.

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 (85445363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3560212 + ... + 3560235.

Almost surely, 285445364 is an apocalyptic number.

It is an amenable number.

85445364 is an abundant number, since it is smaller than the sum of its proper divisors (113927180).

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

85445364 is a wasteful number, since it uses less digits than its factorization.

85445364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120454 (or 7120452 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The square root of 85445364 is about 9243.6661558064. Note that the first 3 decimals coincide. The cubic root of 85445364 is about 440.4495474286.

The spelling of 85445364 in words is "eighty-five million, four hundred forty-five thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 7120447 14240894 21361341 28481788 42722682 85445364