Base | Representation |
---|---|
bin | 1000001010000… |
… | …01011110111100 |
3 | 11202202101100201 |
4 | 10011001132330 |
5 | 120004110120 |
6 | 10442333244 |
7 | 1460415502 |
oct | 405013674 |
9 | 152671321 |
10 | 68425660 |
11 | 35696236 |
12 | 1aaba224 |
13 | 1123a074 |
14 | 9132672 |
15 | 601940a |
hex | 41417bc |
68425660 has 24 divisors (see below), whose sum is σ = 143902080. Its totient is φ = 27330624.
The previous prime is 68425657. The next prime is 68425661. The reversal of 68425660 is 6652486.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68425661) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14517 + ... + 18643.
It is an arithmetic number, because the mean of its divisors is an integer number (5995920).
Almost surely, 268425660 is an apocalyptic number.
It is an amenable number.
68425660 is an abundant number, since it is smaller than the sum of its proper divisors (75476420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68425660 is a wasteful number, since it uses less digits than its factorization.
68425660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4965 (or 4963 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 37.
The square root of 68425660 is about 8271.9804158376. The cubic root of 68425660 is about 409.0154046362.
The spelling of 68425660 in words is "sixty-eight million, four hundred twenty-five thousand, six hundred sixty".
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