Base | Representation |
---|---|
bin | 111001101010… |
… | …0111010111111 |
3 | 2002212221212011 |
4 | 1303110322333 |
5 | 30214413010 |
6 | 2555552051 |
7 | 514653454 |
oct | 163247277 |
9 | 62787764 |
10 | 30232255 |
11 | 16079a39 |
12 | a15b627 |
13 | 6356911 |
14 | 402d82b |
15 | 29c2a8a |
hex | 1cd4ebf |
30232255 has 4 divisors (see below), whose sum is σ = 36278712. Its totient is φ = 24185800.
The previous prime is 30232243. The next prime is 30232259. The reversal of 30232255 is 55223203.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 30232255 - 29 = 30231743 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 (30232259) 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, 3023221 + ... + 3023230.
It is an arithmetic number, because the mean of its divisors is an integer number (9069678).
Almost surely, 230232255 is an apocalyptic number.
30232255 is a deficient number, since it is larger than the sum of its proper divisors (6046457).
30232255 is an equidigital number, since it uses as much as digits as its factorization.
30232255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6046456.
The product of its (nonzero) digits is 1800, while the sum is 22.
The square root of 30232255 is about 5498.3865815346. The cubic root of 30232255 is about 311.5230460445.
Adding to 30232255 its reverse (55223203), we get a palindrome (85455458).
The spelling of 30232255 in words is "thirty million, two hundred thirty-two thousand, two hundred fifty-five".
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