Base | Representation |
---|---|
bin | 1000001001110… |
… | …01110100010000 |
3 | 11202200210021121 |
4 | 10010321310100 |
5 | 120002104011 |
6 | 10441532024 |
7 | 1460225110 |
oct | 404716420 |
9 | 152623247 |
10 | 68394256 |
11 | 35674687 |
12 | 1aaa4014 |
13 | 11228998 |
14 | 9125040 |
15 | 600ee71 |
hex | 4139d10 |
68394256 has 40 divisors (see below), whose sum is σ = 152006144. Its totient is φ = 29203200.
The previous prime is 68394251. The next prime is 68394257. The reversal of 68394256 is 65249386.
It is not an unprimeable number, because it can be changed into a prime (68394251) 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, 34081 + ... + 36031.
Almost surely, 268394256 is an apocalyptic number.
It is an amenable number.
68394256 is an abundant number, since it is smaller than the sum of its proper divisors (83611888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68394256 is a wasteful number, since it uses less digits than its factorization.
68394256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2279 (or 2273 counting only the distinct ones).
The product of its digits is 311040, while the sum is 43.
The square root of 68394256 is about 8270.0819826650. The cubic root of 68394256 is about 408.9528224348.
The spelling of 68394256 in words is "sixty-eight million, three hundred ninety-four thousand, two hundred fifty-six".
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