Base | Representation |
---|---|
bin | 111001101001… |
… | …0111001011111 |
3 | 2002212112111012 |
4 | 1303102321133 |
5 | 30214131332 |
6 | 2555445435 |
7 | 514620344 |
oct | 163227137 |
9 | 62775435 |
10 | 30223967 |
11 | 16073794 |
12 | a15687b |
13 | 6352c07 |
14 | 402a7cb |
15 | 29c03b2 |
hex | 1cd2e5f |
30223967 has 2 divisors, whose sum is σ = 30223968. Its totient is φ = 30223966.
The previous prime is 30223957. The next prime is 30224017. The reversal of 30223967 is 76932203.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30223967 - 24 = 30223951 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30223957) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111983 + 15111984.
It is an arithmetic number, because the mean of its divisors is an integer number (15111984).
Almost surely, 230223967 is an apocalyptic number.
30223967 is a deficient number, since it is larger than the sum of its proper divisors (1).
30223967 is an equidigital number, since it uses as much as digits as its factorization.
30223967 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13608, while the sum is 32.
The square root of 30223967 is about 5497.6328542383. The cubic root of 30223967 is about 311.4945760216.
The spelling of 30223967 in words is "thirty million, two hundred twenty-three thousand, nine hundred sixty-seven".
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