Base | Representation |
---|---|
bin | 111001110011… |
… | …0011101010111 |
3 | 2010000121101121 |
4 | 1303212131113 |
5 | 30224212322 |
6 | 3001304411 |
7 | 515403052 |
oct | 163463527 |
9 | 63017347 |
10 | 30304087 |
11 | 16118a00 |
12 | a195107 |
13 | 6380518 |
14 | 404ba99 |
15 | 29d8ec7 |
hex | 1ce6757 |
30304087 has 12 divisors (see below), whose sum is σ = 34760880. Its totient is φ = 26348960.
The previous prime is 30304003. The next prime is 30304091. The reversal of 30304087 is 78040303.
It is a de Polignac number, because none of the positive numbers 2k-30304087 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30304187) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2662 + ... + 8227.
It is an arithmetic number, because the mean of its divisors is an integer number (2896740).
Almost surely, 230304087 is an apocalyptic number.
30304087 is a deficient number, since it is larger than the sum of its proper divisors (4456793).
30304087 is a wasteful number, since it uses less digits than its factorization.
30304087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10934 (or 10923 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 25.
The square root of 30304087 is about 5504.9148040637. The cubic root of 30304087 is about 311.7695777033.
It can be divided in two parts, 3030 and 4087, that added together give a palindrome (7117).
The spelling of 30304087 in words is "thirty million, three hundred four thousand, eighty-seven".
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