Base | Representation |
---|---|
bin | 1000001100100… |
… | …10000010101110 |
3 | 11210101010222211 |
4 | 10012102002232 |
5 | 120100140010 |
6 | 10453401034 |
7 | 1463261506 |
oct | 406220256 |
9 | 153333884 |
10 | 68755630 |
11 | 358a1139 |
12 | 1b03917a |
13 | 11324308 |
14 | 91baa06 |
15 | 608208a |
hex | 41920ae |
68755630 has 16 divisors (see below), whose sum is σ = 123855984. Its totient is φ = 27480960.
The previous prime is 68755627. The next prime is 68755639. The reversal of 68755630 is 3655786.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68755639) 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, 20470 + ... + 23590.
It is an arithmetic number, because the mean of its divisors is an integer number (7740999).
Almost surely, 268755630 is an apocalyptic number.
68755630 is a deficient number, since it is larger than the sum of its proper divisors (55100354).
68755630 is a wasteful number, since it uses less digits than its factorization.
68755630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5331.
The product of its (nonzero) digits is 151200, while the sum is 40.
The square root of 68755630 is about 8291.9014707123. The cubic root of 68755630 is about 409.6718174890.
The spelling of 68755630 in words is "sixty-eight million, seven hundred fifty-five thousand, six hundred thirty".
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