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85872732 = 22311259141
BaseRepresentation
bin1010001111001…
…01000001011100
312222120210020120
411013211001130
5133440411412
612304314540
72061622551
oct507450134
9188523216
1085872732
1144522500
1224912a50
1314a3848a
14b594a28
157813b8c
hex51e505c

85872732 has 36 divisors (see below), whose sum is σ = 220244808. Its totient is φ = 26021600.

The previous prime is 85872719. The next prime is 85872749. The reversal of 85872732 is 23727858.

It is a super-2 number, since 2×858727322 = 14748252202287648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28119 + ... + 31022.

Almost surely, 285872732 is an apocalyptic number.

It is an amenable number.

85872732 is an abundant number, since it is smaller than the sum of its proper divisors (134372076).

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

85872732 is a wasteful number, since it uses less digits than its factorization.

85872732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59170 (or 59157 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 85872732 is about 9266.7541242875. The cubic root of 85872732 is about 441.1826517011.

The spelling of 85872732 in words is "eighty-five million, eight hundred seventy-two thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 121 132 242 363 484 726 1452 59141 118282 177423 236564 354846 650551 709692 1301102 1951653 2602204 3903306 7156061 7806612 14312122 21468183 28624244 42936366 85872732