Base | Representation |
---|---|
bin | 111010100111… |
… | …0101000101011 |
3 | 2010211021201121 |
4 | 1311032220223 |
5 | 30331341140 |
6 | 3014400111 |
7 | 522131104 |
oct | 165165053 |
9 | 63737647 |
10 | 30730795 |
11 | 1638a557 |
12 | a360037 |
13 | 649c804 |
14 | 411d3ab |
15 | 2a7064a |
hex | 1d4ea2b |
30730795 has 4 divisors (see below), whose sum is σ = 36876960. Its totient is φ = 24584632.
The previous prime is 30730787. The next prime is 30730813. The reversal of 30730795 is 59703703.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30730795 - 23 = 30730787 is a prime.
It is a super-2 number, since 2×307307952 = 1888763522664050, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30730795.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3073075 + ... + 3073084.
It is an arithmetic number, because the mean of its divisors is an integer number (9219240).
Almost surely, 230730795 is an apocalyptic number.
30730795 is a deficient number, since it is larger than the sum of its proper divisors (6146165).
30730795 is an equidigital number, since it uses as much as digits as its factorization.
30730795 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6146164.
The product of its (nonzero) digits is 19845, while the sum is 34.
The square root of 30730795 is about 5543.5363262091. The cubic root of 30730795 is about 313.2260918899.
The spelling of 30730795 in words is "thirty million, seven hundred thirty thousand, seven hundred ninety-five".
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