Base | Representation |
---|---|
bin | 111010101010… |
… | …1110001111001 |
3 | 2010212202212101 |
4 | 1311111301321 |
5 | 30333310212 |
6 | 3015143401 |
7 | 522312316 |
oct | 165256171 |
9 | 63782771 |
10 | 30760057 |
11 | 163aa539 |
12 | a374b61 |
13 | 64acc23 |
14 | 4129d0d |
15 | 2a79157 |
hex | 1d55c79 |
30760057 has 2 divisors, whose sum is σ = 30760058. Its totient is φ = 30760056.
The previous prime is 30760003. The next prime is 30760109. The reversal of 30760057 is 75006703.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28132416 + 2627641 = 5304^2 + 1621^2 .
It is a cyclic number.
It is not a de Polignac number, because 30760057 - 27 = 30759929 is a prime.
It is a super-2 number, since 2×307600572 = 1892362213286498, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30770057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15380028 + 15380029.
It is an arithmetic number, because the mean of its divisors is an integer number (15380029).
Almost surely, 230760057 is an apocalyptic number.
It is an amenable number.
30760057 is a deficient number, since it is larger than the sum of its proper divisors (1).
30760057 is an equidigital number, since it uses as much as digits as its factorization.
30760057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4410, while the sum is 28.
The square root of 30760057 is about 5546.1749882239. The cubic root of 30760057 is about 313.3254787780.
The spelling of 30760057 in words is "thirty million, seven hundred sixty thousand, fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •