Base | Representation |
---|---|
bin | 111001110101… |
… | …1101001010011 |
3 | 2010001200112102 |
4 | 1303223221103 |
5 | 30230402311 |
6 | 3001551015 |
7 | 515522021 |
oct | 163535123 |
9 | 63050472 |
10 | 30325331 |
11 | 16132963 |
12 | a1a546b |
13 | 638a0aa |
14 | 4055711 |
15 | 29e043b |
hex | 1ceba53 |
30325331 has 4 divisors (see below), whose sum is σ = 32109192. Its totient is φ = 28541472.
The previous prime is 30325319. The next prime is 30325369. The reversal of 30325331 is 13352303.
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 30325331 - 214 = 30308947 is a prime.
It is a super-2 number, since 2×303253312 = 1839251400519122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30325391) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891905 + ... + 891938.
It is an arithmetic number, because the mean of its divisors is an integer number (8027298).
Almost surely, 230325331 is an apocalyptic number.
30325331 is a deficient number, since it is larger than the sum of its proper divisors (1783861).
30325331 is a wasteful number, since it uses less digits than its factorization.
30325331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1783860.
The product of its (nonzero) digits is 810, while the sum is 20.
The square root of 30325331 is about 5506.8440144969. The cubic root of 30325331 is about 311.8424137074.
Adding to 30325331 its reverse (13352303), we get a palindrome (43677634).
The spelling of 30325331 in words is "thirty million, three hundred twenty-five thousand, three hundred thirty-one".
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