Base | Representation |
---|---|
bin | 1000001011000… |
… | …10010010011001 |
3 | 11210000012200012 |
4 | 10011202102121 |
5 | 120022410100 |
6 | 10445251305 |
7 | 1461515312 |
oct | 405422231 |
9 | 153005605 |
10 | 68560025 |
11 | 35778186 |
12 | 1ab63b35 |
13 | 11286281 |
14 | 9169609 |
15 | 6044135 |
hex | 4162499 |
68560025 has 12 divisors (see below), whose sum is σ = 85262400. Its totient is φ = 54688080.
The previous prime is 68560021. The next prime is 68560027. The reversal of 68560025 is 52006586.
It is a happy number.
It is not a de Polignac number, because 68560025 - 22 = 68560021 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 68559973 and 68560000.
It is not an unprimeable number, because it can be changed into a prime (68560021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5156 + ... + 12794.
It is an arithmetic number, because the mean of its divisors is an integer number (7105200).
Almost surely, 268560025 is an apocalyptic number.
It is an amenable number.
68560025 is a deficient number, since it is larger than the sum of its proper divisors (16702375).
68560025 is a wasteful number, since it uses less digits than its factorization.
68560025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8008 (or 8003 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 32.
The square root of 68560025 is about 8280.0981274379. The cubic root of 68560025 is about 409.2829525192.
The spelling of 68560025 in words is "sixty-eight million, five hundred sixty thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •