Base | Representation |
---|---|
bin | 1000001110010… |
… | …10011000010000 |
3 | 11210210212112021 |
4 | 10013022120100 |
5 | 120130031014 |
6 | 10502341224 |
7 | 1465242325 |
oct | 407123020 |
9 | 153725467 |
10 | 68986384 |
11 | 35a39545 |
12 | 1b12a814 |
13 | 113a535c |
14 | 923ab4c |
15 | 60ca624 |
hex | 41ca610 |
68986384 has 20 divisors (see below), whose sum is σ = 139473216. Its totient is φ = 32993312.
The previous prime is 68986381. The next prime is 68986403. The reversal of 68986384 is 48368986.
It is not an unprimeable number, because it can be changed into a prime (68986381) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93364 + ... + 94099.
Almost surely, 268986384 is an apocalyptic number.
It is an amenable number.
68986384 is an abundant number, since it is smaller than the sum of its proper divisors (70486832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68986384 is a wasteful number, since it uses less digits than its factorization.
68986384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187494 (or 187488 counting only the distinct ones).
The product of its digits is 1990656, while the sum is 52.
The square root of 68986384 is about 8305.8042355933. The cubic root of 68986384 is about 410.1296120062.
The spelling of 68986384 in words is "sixty-eight million, nine hundred eighty-six thousand, three hundred eighty-four".
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