Base | Representation |
---|---|
bin | 1000001010111… |
… | …01110010111001 |
3 | 11202222021102201 |
4 | 10011131302321 |
5 | 120021313000 |
6 | 10445030201 |
7 | 1461410545 |
oct | 405356271 |
9 | 152867381 |
10 | 68541625 |
11 | 35765379 |
12 | 1ab55361 |
13 | 1127aa99 |
14 | 9162a25 |
15 | 603d96a |
hex | 415dcb9 |
68541625 has 16 divisors (see below), whose sum is σ = 86755968. Its totient is φ = 54054000.
The previous prime is 68541617. The next prime is 68541631. The reversal of 68541625 is 52614586.
It is not a de Polignac number, because 68541625 - 23 = 68541617 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5014 + ... + 12736.
It is an arithmetic number, because the mean of its divisors is an integer number (5422248).
Almost surely, 268541625 is an apocalyptic number.
It is an amenable number.
68541625 is a deficient number, since it is larger than the sum of its proper divisors (18214343).
68541625 is an equidigital number, since it uses as much as digits as its factorization.
68541625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7809 (or 7799 counting only the distinct ones).
The product of its digits is 57600, while the sum is 37.
The square root of 68541625 is about 8278.9869549360. The cubic root of 68541625 is about 409.2463350680.
The spelling of 68541625 in words is "sixty-eight million, five hundred forty-one thousand, six hundred twenty-five".
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