Base | Representation |
---|---|
bin | 111001101111… |
… | …1110010100001 |
3 | 2002222012220211 |
4 | 1303133302201 |
5 | 30222324034 |
6 | 3000534121 |
7 | 515230315 |
oct | 163376241 |
9 | 62865824 |
10 | 30276769 |
11 | 160aa426 |
12 | a181341 |
13 | 6370c63 |
14 | 4041b45 |
15 | 29d0d64 |
hex | 1cdfca1 |
30276769 has 2 divisors, whose sum is σ = 30276770. Its totient is φ = 30276768.
The previous prime is 30276749. The next prime is 30276781. The reversal of 30276769 is 96767203.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 25887744 + 4389025 = 5088^2 + 2095^2 .
It is a cyclic number.
It is not a de Polignac number, because 30276769 - 27 = 30276641 is a prime.
It is a super-2 number, since 2×302767692 = 1833365482158722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30276749) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15138384 + 15138385.
It is an arithmetic number, because the mean of its divisors is an integer number (15138385).
Almost surely, 230276769 is an apocalyptic number.
It is an amenable number.
30276769 is a deficient number, since it is larger than the sum of its proper divisors (1).
30276769 is an equidigital number, since it uses as much as digits as its factorization.
30276769 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 95256, while the sum is 40.
The square root of 30276769 is about 5502.4330073159. The cubic root of 30276769 is about 311.6758666709.
The spelling of 30276769 in words is "thirty million, two hundred seventy-six thousand, seven hundred sixty-nine".
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