Base | Representation |
---|---|
bin | 111001111011… |
… | …0001011110001 |
3 | 2010010212202011 |
4 | 1303312023301 |
5 | 30233242442 |
6 | 3002522521 |
7 | 516061615 |
oct | 163661361 |
9 | 63125664 |
10 | 30368497 |
11 | 16162335 |
12 | a206441 |
13 | 63a3933 |
14 | 4067345 |
15 | 29ed117 |
hex | 1cf62f1 |
30368497 has 2 divisors, whose sum is σ = 30368498. Its totient is φ = 30368496.
The previous prime is 30368489. The next prime is 30368509. The reversal of 30368497 is 79486303.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28740321 + 1628176 = 5361^2 + 1276^2 .
It is a cyclic number.
It is not a de Polignac number, because 30368497 - 23 = 30368489 is a prime.
It is a super-2 number, since 2×303684972 = 1844491220078018, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30368407) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15184248 + 15184249.
It is an arithmetic number, because the mean of its divisors is an integer number (15184249).
Almost surely, 230368497 is an apocalyptic number.
It is an amenable number.
30368497 is a deficient number, since it is larger than the sum of its proper divisors (1).
30368497 is an equidigital number, since it uses as much as digits as its factorization.
30368497 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108864, while the sum is 40.
The square root of 30368497 is about 5510.7619255417. The cubic root of 30368497 is about 311.9903055557.
The spelling of 30368497 in words is "thirty million, three hundred sixty-eight thousand, four hundred ninety-seven".
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