Base | Representation |
---|---|
bin | 111001011011… |
… | …0100100011101 |
3 | 2002122122022122 |
4 | 1302312210131 |
5 | 30201423213 |
6 | 2553152325 |
7 | 513625142 |
oct | 162664435 |
9 | 62578278 |
10 | 30107933 |
11 | 15aa4599 |
12 | a0bb6a5 |
13 | 631215b |
14 | 3dda3c9 |
15 | 299ad08 |
hex | 1cb691d |
30107933 has 2 divisors, whose sum is σ = 30107934. Its totient is φ = 30107932.
The previous prime is 30107923. The next prime is 30107939. The reversal of 30107933 is 33970103.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17455684 + 12652249 = 4178^2 + 3557^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30107933 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30107939) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15053966 + 15053967.
It is an arithmetic number, because the mean of its divisors is an integer number (15053967).
Almost surely, 230107933 is an apocalyptic number.
It is an amenable number.
30107933 is a deficient number, since it is larger than the sum of its proper divisors (1).
30107933 is an equidigital number, since it uses as much as digits as its factorization.
30107933 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1701, while the sum is 26.
The square root of 30107933 is about 5487.0696186580. The cubic root of 30107933 is about 311.0954411845.
The spelling of 30107933 in words is "thirty million, one hundred seven thousand, nine hundred thirty-three".
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