Base | Representation |
---|---|
bin | 1010001110010… |
… | …00100001000100 |
3 | 12222100212002010 |
4 | 11013020201010 |
5 | 133423142342 |
6 | 12302014220 |
7 | 2060625261 |
oct | 507104104 |
9 | 188325063 |
10 | 85755972 |
11 | 44452805 |
12 | 24877370 |
13 | 149c72a3 |
14 | b564268 |
15 | 77de29c |
hex | 51c8844 |
85755972 has 24 divisors (see below), whose sum is σ = 201561696. Its totient is φ = 28376128.
The previous prime is 85755893. The next prime is 85755979. The reversal of 85755972 is 27955758.
It is not an unprimeable number, because it can be changed into a prime (85755979) 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, 24438 + ... + 27725.
It is an arithmetic number, because the mean of its divisors is an integer number (8398404).
Almost surely, 285755972 is an apocalyptic number.
It is an amenable number.
85755972 is an abundant number, since it is smaller than the sum of its proper divisors (115805724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85755972 is a wasteful number, since it uses less digits than its factorization.
85755972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52307 (or 52305 counting only the distinct ones).
The product of its digits is 882000, while the sum is 48.
The square root of 85755972 is about 9260.4520408023. The cubic root of 85755972 is about 440.9826042984.
The spelling of 85755972 in words is "eighty-five million, seven hundred fifty-five thousand, nine hundred seventy-two".
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