Base | Representation |
---|---|
bin | 1000001101111… |
… | …10000001111110 |
3 | 11210201022011000 |
4 | 10012332001332 |
5 | 120121421211 |
6 | 10501311130 |
7 | 1464642012 |
oct | 406760176 |
9 | 153638130 |
10 | 68935806 |
11 | 35a04545 |
12 | 1b1054a6 |
13 | 11388324 |
14 | 9226542 |
15 | 60ba656 |
hex | 41be07e |
68935806 has 16 divisors (see below), whose sum is σ = 153190800. Its totient is φ = 22978584.
The previous prime is 68935759. The next prime is 68935849. The reversal of 68935806 is 60853986.
68935806 is a `hidden beast` number, since 68 + 9 + 3 + 580 + 6 = 666.
It is a congruent 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, 638241 + ... + 638348.
It is an arithmetic number, because the mean of its divisors is an integer number (9574425).
Almost surely, 268935806 is an apocalyptic number.
68935806 is an abundant number, since it is smaller than the sum of its proper divisors (84254994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68935806 is a wasteful number, since it uses less digits than its factorization.
68935806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1276600 (or 1276594 counting only the distinct ones).
The product of its (nonzero) digits is 311040, while the sum is 45.
The square root of 68935806 is about 8302.7589390515. The cubic root of 68935806 is about 410.0293574061.
The spelling of 68935806 in words is "sixty-eight million, nine hundred thirty-five thousand, eight hundred six".
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