Base | Representation |
---|---|
bin | 1000001010010… |
… | …01010001110100 |
3 | 11202211000011020 |
4 | 10011021101310 |
5 | 120011120323 |
6 | 10443141140 |
7 | 1460610543 |
oct | 405112164 |
9 | 152730136 |
10 | 68457588 |
11 | 35708221 |
12 | 1ab147b0 |
13 | 1124b764 |
14 | 914015a |
15 | 6023ae3 |
hex | 4149474 |
68457588 has 24 divisors (see below), whose sum is σ = 160027392. Its totient is φ = 22777344.
The previous prime is 68457569. The next prime is 68457593. The reversal of 68457588 is 88575486.
It is a self number, because there is not a number n which added to its sum of digits gives 68457588.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1981 + ... + 11867.
It is an arithmetic number, because the mean of its divisors is an integer number (6667808).
Almost surely, 268457588 is an apocalyptic number.
It is an amenable number.
68457588 is an abundant number, since it is smaller than the sum of its proper divisors (91569804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68457588 is a wasteful number, since it uses less digits than its factorization.
68457588 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10471 (or 10469 counting only the distinct ones).
The product of its digits is 2150400, while the sum is 51.
The square root of 68457588 is about 8273.9100792793. The cubic root of 68457588 is about 409.0790114430.
The spelling of 68457588 in words is "sixty-eight million, four hundred fifty-seven thousand, five hundred eighty-eight".
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