Base | Representation |
---|---|
bin | 1000001101110… |
… | …01101001001100 |
3 | 11210200101111110 |
4 | 10012321221030 |
5 | 120120332321 |
6 | 10501052020 |
7 | 1464535431 |
oct | 406715114 |
9 | 153611443 |
10 | 68917836 |
11 | 359a1a99 |
12 | 1b0b7010 |
13 | 113800b0 |
14 | 921db88 |
15 | 60b5176 |
hex | 41b9a4c |
68917836 has 48 divisors (see below), whose sum is σ = 178777088. Its totient is φ = 20520000.
The previous prime is 68917831. The next prime is 68917853. The reversal of 68917836 is 63871986.
It is not an unprimeable number, because it can be changed into a prime (68917831) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2290 + ... + 11961.
Almost surely, 268917836 is an apocalyptic number.
It is an amenable number.
68917836 is an abundant number, since it is smaller than the sum of its proper divisors (109859252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68917836 is a wasteful number, since it uses less digits than its factorization.
68917836 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14302 (or 14300 counting only the distinct ones).
The product of its digits is 435456, while the sum is 48.
The square root of 68917836 is about 8301.6766981135. The cubic root of 68917836 is about 409.9937258608.
The spelling of 68917836 in words is "sixty-eight million, nine hundred seventeen thousand, eight hundred thirty-six".
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