Base | Representation |
---|---|
bin | 11100011111010… |
… | …00110010100111 |
3 | 121122200110021212 |
4 | 32033220302213 |
5 | 442134332023 |
6 | 35414102035 |
7 | 5631204314 |
oct | 1617506247 |
9 | 548613255 |
10 | 238980263 |
11 | 112997455 |
12 | 6804a91b |
13 | 3a684952 |
14 | 23a4bd0b |
15 | 15ea8e78 |
hex | e3e8ca7 |
238980263 has 2 divisors, whose sum is σ = 238980264. Its totient is φ = 238980262.
The previous prime is 238980253. The next prime is 238980311. The reversal of 238980263 is 362089832.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 238980263 - 222 = 234785959 is a prime.
It is a super-2 number, since 2×2389802632 = 114223132207098338, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 238980263.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (238980253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119490131 + 119490132.
It is an arithmetic number, because the mean of its divisors is an integer number (119490132).
Almost surely, 2238980263 is an apocalyptic number.
238980263 is a deficient number, since it is larger than the sum of its proper divisors (1).
238980263 is an equidigital number, since it uses as much as digits as its factorization.
238980263 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 124416, while the sum is 41.
The square root of 238980263 is about 15458.9864803615. The cubic root of 238980263 is about 620.5650961316.
The spelling of 238980263 in words is "two hundred thirty-eight million, nine hundred eighty thousand, two hundred sixty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •