Base | Representation |
---|---|
bin | 11011111110100… |
… | …00100100000000 |
3 | 121100121022122202 |
4 | 31333100210000 |
5 | 440034433340 |
6 | 35142052332 |
7 | 5546542562 |
oct | 1577204400 |
9 | 540538582 |
10 | 234686720 |
11 | 110524674 |
12 | 6671a0a8 |
13 | 398105a8 |
14 | 23251332 |
15 | 1590bc15 |
hex | dfd0900 |
234686720 has 36 divisors (see below), whose sum is σ = 562151100. Its totient is φ = 93874176.
The previous prime is 234686663. The next prime is 234686723. The reversal of 234686720 is 27686432.
It can be written as a sum of positive squares in 2 ways, for example, as 97140736 + 137545984 = 9856^2 + 11728^2 .
It is not an unprimeable number, because it can be changed into a prime (234686723) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90395 + ... + 92954.
Almost surely, 2234686720 is an apocalyptic number.
234686720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
234686720 is an abundant number, since it is smaller than the sum of its proper divisors (327464380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
234686720 is an equidigital number, since it uses as much as digits as its factorization.
234686720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183370 (or 183356 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 38.
The square root of 234686720 is about 15319.4882421052. The cubic root of 234686720 is about 616.8262370920.
The spelling of 234686720 in words is "two hundred thirty-four million, six hundred eighty-six thousand, seven hundred twenty".
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