Base | Representation |
---|---|
bin | 1010001100101… |
… | …00011100010000 |
3 | 12221222000111010 |
4 | 11012110130100 |
5 | 133344331142 |
6 | 12253250520 |
7 | 2056046355 |
oct | 506243420 |
9 | 187860433 |
10 | 85542672 |
11 | 44317526 |
12 | 24793a40 |
13 | 14951187 |
14 | b50a62c |
15 | 779ae9c |
hex | 5194710 |
85542672 has 20 divisors (see below), whose sum is σ = 220985360. Its totient is φ = 28514208.
The previous prime is 85542661. The next prime is 85542673. The reversal of 85542672 is 27624558.
It is a self number, because there is not a number n which added to its sum of digits gives 85542672.
It is not an unprimeable number, because it can be changed into a prime (85542673) 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, 891022 + ... + 891117.
It is an arithmetic number, because the mean of its divisors is an integer number (11049268).
Almost surely, 285542672 is an apocalyptic number.
It is an amenable number.
85542672 is an abundant number, since it is smaller than the sum of its proper divisors (135442688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85542672 is a wasteful number, since it uses less digits than its factorization.
85542672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1782150 (or 1782144 counting only the distinct ones).
The product of its digits is 134400, while the sum is 39.
The square root of 85542672 is about 9248.9281541160. The cubic root of 85542672 is about 440.6166834907.
The spelling of 85542672 in words is "eighty-five million, five hundred forty-two thousand, six hundred seventy-two".
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