Base | Representation |
---|---|
bin | 1000001001111… |
… | …00111101010101 |
3 | 11202201102221020 |
4 | 10010330331111 |
5 | 120003012000 |
6 | 10442111353 |
7 | 1460310453 |
oct | 404747525 |
9 | 152642836 |
10 | 68407125 |
11 | 35683316 |
12 | 1aaab559 |
13 | 112317b7 |
14 | 91299d3 |
15 | 6013ba0 |
hex | 413cf55 |
68407125 has 32 divisors (see below), whose sum is σ = 119832960. Its totient is φ = 34560000.
The previous prime is 68407123. The next prime is 68407139. The reversal of 68407125 is 52170486.
It is not a de Polignac number, because 68407125 - 21 = 68407123 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68407123) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2325 + ... + 11925.
It is an arithmetic number, because the mean of its divisors is an integer number (3744780).
Almost surely, 268407125 is an apocalyptic number.
It is an amenable number.
68407125 is a deficient number, since it is larger than the sum of its proper divisors (51425835).
68407125 is a wasteful number, since it uses less digits than its factorization.
68407125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9638 (or 9628 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 33.
The square root of 68407125 is about 8270.8599915607. The cubic root of 68407125 is about 408.9784702213.
The spelling of 68407125 in words is "sixty-eight million, four hundred seven thousand, one hundred twenty-five".
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