Base | Representation |
---|---|
bin | 11011100011000… |
… | …01100101110010 |
3 | 121002211102000102 |
4 | 31301201211302 |
5 | 433124231300 |
6 | 34532552402 |
7 | 5504126300 |
oct | 1561414562 |
9 | 532742012 |
10 | 231086450 |
11 | 109495741 |
12 | 65482702 |
13 | 38b4c95a |
14 | 22995270 |
15 | 1544a0d5 |
hex | dc61972 |
231086450 has 36 divisors (see below), whose sum is σ = 500000922. Its totient is φ = 79228800.
The previous prime is 231086447. The next prime is 231086459. The reversal of 231086450 is 54680132.
231086450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 215884249 + 15202201 = 14693^2 + 3899^2 .
It is not an unprimeable number, because it can be changed into a prime (231086459) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44711 + ... + 49610.
Almost surely, 2231086450 is an apocalyptic number.
231086450 is an abundant number, since it is smaller than the sum of its proper divisors (268914472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231086450 is a wasteful number, since it uses less digits than its factorization.
231086450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94347 (or 94335 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 231086450 is about 15201.5278837359. The cubic root of 231086450 is about 613.6557768809.
The spelling of 231086450 in words is "two hundred thirty-one million, eighty-six thousand, four hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.095 sec. • engine limits •