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85672992 = 2538211087
BaseRepresentation
bin1010001101101…
…00010000100000
312222012122020210
411012310100200
5133413013432
612300134120
72060131326
oct506642040
9188178223
1085672992
11443a6429
1224837340
13149985a2
14b541d16
1577c48cc
hex51b4420

85672992 has 48 divisors (see below), whose sum is σ = 225372672. Its totient is φ = 28496640.

The previous prime is 85672991. The next prime is 85673011. The reversal of 85672992 is 29927658.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (85672991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78273 + ... + 79359.

It is an arithmetic number, because the mean of its divisors is an integer number (4695264).

Almost surely, 285672992 is an apocalyptic number.

It is an amenable number.

85672992 is an abundant number, since it is smaller than the sum of its proper divisors (139699680).

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

85672992 is a wasteful number, since it uses less digits than its factorization.

85672992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921 (or 1913 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 85672992 is about 9255.9706136094. The cubic root of 85672992 is about 440.8403224851.

The spelling of 85672992 in words is "eighty-five million, six hundred seventy-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 821 1087 1642 2174 2463 3261 3284 4348 4926 6522 6568 8696 9852 13044 13136 17392 19704 26088 26272 34784 39408 52176 78816 104352 892427 1784854 2677281 3569708 5354562 7139416 10709124 14278832 21418248 28557664 42836496 85672992