Base | Representation |
---|---|
bin | 1000001100001… |
… | …11010001100100 |
3 | 11210021220111021 |
4 | 10012013101210 |
5 | 120042232044 |
6 | 10452420524 |
7 | 1463016100 |
oct | 406072144 |
9 | 153256437 |
10 | 68711524 |
11 | 35870a92 |
12 | 1b017744 |
13 | 1130a20b |
14 | 91a8900 |
15 | 6073e84 |
hex | 4187464 |
68711524 has 36 divisors (see below), whose sum is σ = 147246960. Its totient is φ = 27896400.
The previous prime is 68711519. The next prime is 68711561. The reversal of 68711524 is 42511786.
It is a self number, because there is not a number n which added to its sum of digits gives 68711524.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5502 + ... + 12949.
Almost surely, 268711524 is an apocalyptic number.
It is an amenable number.
68711524 is an abundant number, since it is smaller than the sum of its proper divisors (78535436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68711524 is a wasteful number, since it uses less digits than its factorization.
68711524 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18488 (or 18479 counting only the distinct ones).
The product of its digits is 13440, while the sum is 34.
The square root of 68711524 is about 8289.2414610747. The cubic root of 68711524 is about 409.5841987236.
The spelling of 68711524 in words is "sixty-eight million, seven hundred eleven thousand, five hundred twenty-four".
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