Base | Representation |
---|---|
bin | 1010001111001… |
… | …01000001011100 |
3 | 12222120210020120 |
4 | 11013211001130 |
5 | 133440411412 |
6 | 12304314540 |
7 | 2061622551 |
oct | 507450134 |
9 | 188523216 |
10 | 85872732 |
11 | 44522500 |
12 | 24912a50 |
13 | 14a3848a |
14 | b594a28 |
15 | 7813b8c |
hex | 51e505c |
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".
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