Base | Representation |
---|---|
bin | 1000001000110… |
… | …00100001111010 |
3 | 11202102212020220 |
4 | 10010120201322 |
5 | 114433223124 |
6 | 10435000510 |
7 | 1456116444 |
oct | 404304172 |
9 | 152385226 |
10 | 68257914 |
11 | 355911aa |
12 | 1aa39136 |
13 | 111ab8ca |
14 | 90cb494 |
15 | 5ed4879 |
hex | 411887a |
68257914 has 16 divisors (see below), whose sum is σ = 136624320. Its totient is φ = 22734560.
The previous prime is 68257897. The next prime is 68257919. The reversal of 68257914 is 41975286.
It is not an unprimeable number, because it can be changed into a prime (68257919) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5302 + ... + 12830.
It is an arithmetic number, because the mean of its divisors is an integer number (8539020).
Almost surely, 268257914 is an apocalyptic number.
68257914 is an abundant number, since it is smaller than the sum of its proper divisors (68366406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68257914 is a wasteful number, since it uses less digits than its factorization.
68257914 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9045.
The product of its digits is 120960, while the sum is 42.
The square root of 68257914 is about 8261.8347841142. The cubic root of 68257914 is about 408.6808963971.
The spelling of 68257914 in words is "sixty-eight million, two hundred fifty-seven thousand, nine hundred fourteen".
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