Base | Representation |
---|---|
bin | 111010011110… |
… | …1011100111101 |
3 | 2010200201011212 |
4 | 1310331130331 |
5 | 30322113123 |
6 | 3013054205 |
7 | 521415650 |
oct | 164753475 |
9 | 63621155 |
10 | 30660413 |
11 | 16341693 |
12 | a327365 |
13 | 6476774 |
14 | 4101897 |
15 | 2a59878 |
hex | 1d3d73d |
30660413 has 4 divisors (see below), whose sum is σ = 35040480. Its totient is φ = 26280348.
The previous prime is 30660407. The next prime is 30660431. The reversal of 30660413 is 31406603.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30660413 - 26 = 30660349 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 (30660313) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2190023 + ... + 2190036.
It is an arithmetic number, because the mean of its divisors is an integer number (8760120).
Almost surely, 230660413 is an apocalyptic number.
It is an amenable number.
30660413 is a deficient number, since it is larger than the sum of its proper divisors (4380067).
30660413 is an equidigital number, since it uses as much as digits as its factorization.
30660413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4380066.
The product of its (nonzero) digits is 1296, while the sum is 23.
The square root of 30660413 is about 5537.1845734091. The cubic root of 30660413 is about 312.9867843774.
The spelling of 30660413 in words is "thirty million, six hundred sixty thousand, four hundred thirteen".
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