Base | Representation |
---|---|
bin | 111001100010… |
… | …0110011000111 |
3 | 2002202121021020 |
4 | 1303010303013 |
5 | 30210304330 |
6 | 2554322223 |
7 | 514260102 |
oct | 163046307 |
9 | 62677236 |
10 | 30166215 |
11 | 16034362 |
12 | a129373 |
13 | 6332841 |
14 | 4013739 |
15 | 29ad210 |
hex | 1cc4cc7 |
30166215 has 8 divisors (see below), whose sum is σ = 48265968. Its totient is φ = 16088640.
The previous prime is 30166187. The next prime is 30166219. The reversal of 30166215 is 51266103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30166215 - 28 = 30165959 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30166219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005526 + ... + 1005555.
It is an arithmetic number, because the mean of its divisors is an integer number (6033246).
Almost surely, 230166215 is an apocalyptic number.
30166215 is a deficient number, since it is larger than the sum of its proper divisors (18099753).
30166215 is a wasteful number, since it uses less digits than its factorization.
30166215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2011089.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 30166215 is about 5492.3779003270. The cubic root of 30166215 is about 311.2960480894.
It can be divided in two parts, 30166 and 215, that added together give a triangular number (30381 = T246).
The spelling of 30166215 in words is "thirty million, one hundred sixty-six thousand, two hundred fifteen".
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