Base | Representation |
---|---|
bin | 111001111010… |
… | …0100100011010 |
3 | 2010010112200011 |
4 | 1303310210122 |
5 | 30233040012 |
6 | 3002432134 |
7 | 516033415 |
oct | 163644432 |
9 | 63115604 |
10 | 30361882 |
11 | 16158371 |
12 | a20264a |
13 | 63a0915 |
14 | 4064b7c |
15 | 29eb1a7 |
hex | 1cf491a |
30361882 has 8 divisors (see below), whose sum is σ = 45574452. Its totient is φ = 15170400.
The previous prime is 30361871. The next prime is 30361889. The reversal of 30361882 is 28816303.
It can be written as a sum of positive squares in 2 ways, for example, as 29257281 + 1104601 = 5409^2 + 1051^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30361889) 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 3 ways as a sum of consecutive naturals, for example, 969 + ... + 7852.
Almost surely, 230361882 is an apocalyptic number.
30361882 is a deficient number, since it is larger than the sum of its proper divisors (15212570).
30361882 is a wasteful number, since it uses less digits than its factorization.
30361882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10544.
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 30361882 is about 5510.1617036163. The cubic root of 30361882 is about 311.9676508757.
The spelling of 30361882 in words is "thirty million, three hundred sixty-one thousand, eight hundred eighty-two".
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