Base | Representation |
---|---|
bin | 10011010000001… |
… | …100101001101111 |
3 | 211111210202212000 |
4 | 103100030221233 |
5 | 1130142410411 |
6 | 52015143343 |
7 | 11001365352 |
oct | 2320145157 |
9 | 744722760 |
10 | 323013231 |
11 | 156372692 |
12 | 90214b53 |
13 | 51bc78b8 |
14 | 30c84299 |
15 | 1d557956 |
hex | 1340ca6f |
323013231 has 16 divisors (see below), whose sum is σ = 485683200. Its totient is φ = 212126904.
The previous prime is 323013221. The next prime is 323013233. The reversal of 323013231 is 132310323.
It is not a de Polignac number, because 323013231 - 25 = 323013199 is a prime.
It is a super-2 number, since 2×3230132312 = 208675094802118722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (323013233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87471 + ... + 91088.
It is an arithmetic number, because the mean of its divisors is an integer number (30355200).
Almost surely, 2323013231 is an apocalyptic number.
323013231 is a deficient number, since it is larger than the sum of its proper divisors (162669969).
323013231 is a wasteful number, since it uses less digits than its factorization.
323013231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178635 (or 178629 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 323013231 is about 17972.5688481085. The cubic root of 323013231 is about 686.1305719491.
Adding to 323013231 its reverse (132310323), we get a palindrome (455323554).
It can be divided in two parts, 3230 and 13231, that added together give a palindrome (16461).
The spelling of 323013231 in words is "three hundred twenty-three million, thirteen thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •