Base | Representation |
---|---|
bin | 11011011010110… |
… | …10001111010001 |
3 | 121000210121022222 |
4 | 31231122033101 |
5 | 432340222021 |
6 | 34453510425 |
7 | 5462014364 |
oct | 1555321721 |
9 | 530717288 |
10 | 230007761 |
11 | 108919265 |
12 | 65042415 |
13 | 38862989 |
14 | 227940db |
15 | 152d56ab |
hex | db5a3d1 |
230007761 has 2 divisors, whose sum is σ = 230007762. Its totient is φ = 230007760.
The previous prime is 230007697. The next prime is 230007769. The reversal of 230007761 is 167700032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 219484225 + 10523536 = 14815^2 + 3244^2 .
It is a cyclic number.
It is not a de Polignac number, because 230007761 - 26 = 230007697 is a prime.
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 230007761.
It is not a weakly prime, because it can be changed into another prime (230007769) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115003880 + 115003881.
It is an arithmetic number, because the mean of its divisors is an integer number (115003881).
Almost surely, 2230007761 is an apocalyptic number.
It is an amenable number.
230007761 is a deficient number, since it is larger than the sum of its proper divisors (1).
230007761 is an equidigital number, since it uses as much as digits as its factorization.
230007761 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1764, while the sum is 26.
The square root of 230007761 is about 15166.0067585373. The cubic root of 230007761 is about 612.6994589048.
Adding to 230007761 its reverse (167700032), we get a palindrome (397707793).
The spelling of 230007761 in words is "two hundred thirty million, seven thousand, seven hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •