Base | Representation |
---|---|
bin | 1000001101111… |
… | …00000000111110 |
3 | 11210200212211020 |
4 | 10012330000332 |
5 | 120121140200 |
6 | 10501205010 |
7 | 1464605646 |
oct | 406740076 |
9 | 153625736 |
10 | 68927550 |
11 | 359a931a |
12 | 1b100766 |
13 | 11384643 |
14 | 9223526 |
15 | 60b7ea0 |
hex | 41bc03e |
68927550 has 48 divisors (see below), whose sum is σ = 178381440. Its totient is φ = 17580640.
The previous prime is 68927533. The next prime is 68927557. The reversal of 68927550 is 5572986.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68927557) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6540 + ... + 13439.
It is an arithmetic number, because the mean of its divisors is an integer number (3716280).
Almost surely, 268927550 is an apocalyptic number.
68927550 is an abundant number, since it is smaller than the sum of its proper divisors (109453890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68927550 is a wasteful number, since it uses less digits than its factorization.
68927550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20017 (or 20012 counting only the distinct ones).
The product of its (nonzero) digits is 151200, while the sum is 42.
The square root of 68927550 is about 8302.2617400320. The cubic root of 68927550 is about 410.0129878892.
The spelling of 68927550 in words is "sixty-eight million, nine hundred twenty-seven thousand, five hundred fifty".
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