Base | Representation |
---|---|
bin | 111010100100… |
… | …1110000001101 |
3 | 2010210021021221 |
4 | 1311021300031 |
5 | 30330221142 |
6 | 3014123341 |
7 | 522015565 |
oct | 165116015 |
9 | 63707257 |
10 | 30710797 |
11 | 16376527 |
12 | a350551 |
13 | 6493690 |
14 | 4115da5 |
15 | 2a69767 |
hex | 1d49c0d |
30710797 has 18 divisors (see below), whose sum is σ = 34911422. Its totient is φ = 26854464.
The previous prime is 30710737. The next prime is 30710803. The reversal of 30710797 is 79701703.
It can be written as a sum of positive squares in 9 ways, for example, as 3316041 + 27394756 = 1821^2 + 5234^2 .
It is a de Polignac number, because none of the positive numbers 2k-30710797 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30710737) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 579423 + ... + 579475.
Almost surely, 230710797 is an apocalyptic number.
It is an amenable number.
30710797 is a deficient number, since it is larger than the sum of its proper divisors (4200625).
30710797 is an equidigital number, since it uses as much as digits as its factorization.
30710797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177 (or 95 counting only the distinct ones).
The product of its (nonzero) digits is 9261, while the sum is 34.
The square root of 30710797 is about 5541.7323103882. The cubic root of 30710797 is about 313.1581334070.
The spelling of 30710797 in words is "thirty million, seven hundred ten thousand, seven hundred ninety-seven".
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