Base | Representation |
---|---|
bin | 111010101110… |
… | …1010000111101 |
3 | 2010221022220221 |
4 | 1311131100331 |
5 | 30340300332 |
6 | 3015541341 |
7 | 522500566 |
oct | 165352075 |
9 | 63838827 |
10 | 30790717 |
11 | 16420581 |
12 | a38a851 |
13 | 64c0b79 |
14 | 413716d |
15 | 2a83297 |
hex | 1d5d43d |
30790717 has 8 divisors (see below), whose sum is σ = 31247424. Its totient is φ = 30337248.
The previous prime is 30790703. The next prime is 30790729. The reversal of 30790717 is 71709703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30790717 - 27 = 30790589 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30790817) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23358 + ... + 24640.
It is an arithmetic number, because the mean of its divisors is an integer number (3905928).
Almost surely, 230790717 is an apocalyptic number.
It is an amenable number.
30790717 is a deficient number, since it is larger than the sum of its proper divisors (456707).
30790717 is a wasteful number, since it uses less digits than its factorization.
30790717 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1619.
The product of its (nonzero) digits is 9261, while the sum is 34.
The square root of 30790717 is about 5548.9383669311. The cubic root of 30790717 is about 313.4295463049.
The spelling of 30790717 in words is "thirty million, seven hundred ninety thousand, seven hundred seventeen".
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