Base | Representation |
---|---|
bin | 1010001110101… |
… | …10010100001111 |
3 | 12222110201121120 |
4 | 11013112110033 |
5 | 133431444440 |
6 | 12303132023 |
7 | 2061252126 |
oct | 507262417 |
9 | 188421546 |
10 | 85812495 |
11 | 4449121a |
12 | 248a4013 |
13 | 14a16c32 |
14 | b57aabd |
15 | 7800dd0 |
hex | 51d650f |
85812495 has 24 divisors (see below), whose sum is σ = 141895728. Its totient is φ = 44282880.
The previous prime is 85812473. The next prime is 85812499. The reversal of 85812495 is 59421858.
It is a happy number.
It is not a de Polignac number, because 85812495 - 29 = 85811983 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85812499) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11439 + ... + 17391.
It is an arithmetic number, because the mean of its divisors is an integer number (5912322).
Almost surely, 285812495 is an apocalyptic number.
85812495 is a deficient number, since it is larger than the sum of its proper divisors (56083233).
85812495 is a wasteful number, since it uses less digits than its factorization.
85812495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6023 (or 5992 counting only the distinct ones).
The product of its digits is 115200, while the sum is 42.
The square root of 85812495 is about 9263.5033869482. The cubic root of 85812495 is about 441.0794690215.
The spelling of 85812495 in words is "eighty-five million, eight hundred twelve thousand, four hundred ninety-five".
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