Base | Representation |
---|---|
bin | 1010001101111… |
… | …11011011000101 |
3 | 12222021221222121 |
4 | 11012333123011 |
5 | 133420444400 |
6 | 12301125541 |
7 | 2060411551 |
oct | 506773305 |
9 | 188257877 |
10 | 85718725 |
11 | 44427824 |
12 | 248598b1 |
13 | 149b3351 |
14 | b554861 |
15 | 77d321a |
hex | 51bf6c5 |
85718725 has 12 divisors (see below), whose sum is σ = 108035620. Its totient is φ = 67449600.
The previous prime is 85718687. The next prime is 85718761. The reversal of 85718725 is 52781758.
It can be written as a sum of positive squares in 6 ways, for example, as 8946081 + 76772644 = 2991^2 + 8762^2 .
It is not a de Polignac number, because 85718725 - 211 = 85716677 is a prime.
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, 26580 + ... + 29629.
Almost surely, 285718725 is an apocalyptic number.
It is an amenable number.
85718725 is a deficient number, since it is larger than the sum of its proper divisors (22316895).
85718725 is a wasteful number, since it uses less digits than its factorization.
85718725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56280 (or 56275 counting only the distinct ones).
The product of its digits is 156800, while the sum is 43.
The square root of 85718725 is about 9258.4407434514. The cubic root of 85718725 is about 440.9187500179.
The spelling of 85718725 in words is "eighty-five million, seven hundred eighteen thousand, seven hundred twenty-five".
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