Base | Representation |
---|---|
bin | 111010011000… |
… | …1110100111001 |
3 | 2010121021212011 |
4 | 1310301310321 |
5 | 30314102133 |
6 | 3012045521 |
7 | 521130061 |
oct | 164616471 |
9 | 63537764 |
10 | 30612793 |
11 | 16309932 |
12 | a3038a1 |
13 | 645aba3 |
14 | 40cc3a1 |
15 | 2a4a6cd |
hex | 1d31d39 |
30612793 has 8 divisors (see below), whose sum is σ = 32083200. Its totient is φ = 29154048.
The previous prime is 30612763. The next prime is 30612811. The reversal of 30612793 is 39721603.
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 30612793 - 217 = 30481721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30612763) 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, 2713 + ... + 8281.
It is an arithmetic number, because the mean of its divisors is an integer number (4010400).
Almost surely, 230612793 is an apocalyptic number.
It is an amenable number.
30612793 is a deficient number, since it is larger than the sum of its proper divisors (1470407).
30612793 is a wasteful number, since it uses less digits than its factorization.
30612793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5831.
The product of its (nonzero) digits is 6804, while the sum is 31.
The square root of 30612793 is about 5532.8828832716. The cubic root of 30612793 is about 312.8246626911.
The spelling of 30612793 in words is "thirty million, six hundred twelve thousand, seven hundred ninety-three".
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