Base | Representation |
---|---|
bin | 111001111011… |
… | …0011010110001 |
3 | 2010010221001201 |
4 | 1303312122301 |
5 | 30233310312 |
6 | 3002531201 |
7 | 516064456 |
oct | 163663261 |
9 | 63127051 |
10 | 30369457 |
11 | 16163028 |
12 | a206b01 |
13 | 63a41c1 |
14 | 406782d |
15 | 29ed557 |
hex | 1cf66b1 |
30369457 has 2 divisors, whose sum is σ = 30369458. Its totient is φ = 30369456.
The previous prime is 30369431. The next prime is 30369487. The reversal of 30369457 is 75496303.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28398241 + 1971216 = 5329^2 + 1404^2 .
It is a cyclic number.
It is not a de Polignac number, because 30369457 - 211 = 30367409 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30369487) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15184728 + 15184729.
It is an arithmetic number, because the mean of its divisors is an integer number (15184729).
Almost surely, 230369457 is an apocalyptic number.
It is an amenable number.
30369457 is a deficient number, since it is larger than the sum of its proper divisors (1).
30369457 is an equidigital number, since it uses as much as digits as its factorization.
30369457 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 68040, while the sum is 37.
The square root of 30369457 is about 5510.8490271464. The cubic root of 30369457 is about 311.9935930363.
The spelling of 30369457 in words is "thirty million, three hundred sixty-nine thousand, four hundred fifty-seven".
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