Base | Representation |
---|---|
bin | 1000001010000… |
… | …11011000110000 |
3 | 11202202210001110 |
4 | 10011003120300 |
5 | 120004332311 |
6 | 10442433320 |
7 | 1460450310 |
oct | 405033060 |
9 | 152683043 |
10 | 68433456 |
11 | 356a1083 |
12 | 1ab02840 |
13 | 11240790 |
14 | 9135440 |
15 | 601b8a6 |
hex | 4143630 |
68433456 has 80 divisors (see below), whose sum is σ = 217597184. Its totient is φ = 18047232.
The previous prime is 68433433. The next prime is 68433467. The reversal of 68433456 is 65433486.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3466 + ... + 12201.
Almost surely, 268433456 is an apocalyptic number.
It is an amenable number.
68433456 is an abundant number, since it is smaller than the sum of its proper divisors (149163728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68433456 is a wasteful number, since it uses less digits than its factorization.
68433456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15698 (or 15692 counting only the distinct ones).
The product of its digits is 207360, while the sum is 39.
The square root of 68433456 is about 8272.4516317716. The cubic root of 68433456 is about 409.0309376151.
The spelling of 68433456 in words is "sixty-eight million, four hundred thirty-three thousand, four hundred fifty-six".
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