Base | Representation |
---|---|
bin | 1000001100011… |
… | …01000110110000 |
3 | 11210100010020212 |
4 | 10012031012300 |
5 | 120044013113 |
6 | 10453123252 |
7 | 1463145530 |
oct | 406150660 |
9 | 153303225 |
10 | 68735408 |
11 | 35887a25 |
12 | 1b029528 |
13 | 11318051 |
14 | 91b34c0 |
15 | 607b0a8 |
hex | 418d1b0 |
68735408 has 40 divisors (see below), whose sum is σ = 158823168. Its totient is φ = 28176192.
The previous prime is 68735399. The next prime is 68735441. The reversal of 68735408 is 80453786.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10766 + ... + 15917.
Almost surely, 268735408 is an apocalyptic number.
It is an amenable number.
68735408 is an abundant number, since it is smaller than the sum of its proper divisors (90087760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68735408 is a wasteful number, since it uses less digits than its factorization.
68735408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26721 (or 26715 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 41.
The square root of 68735408 is about 8290.6819984848. The cubic root of 68735408 is about 409.6316501320.
The spelling of 68735408 in words is "sixty-eight million, seven hundred thirty-five thousand, four hundred eight".
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