Base | Representation |
---|---|
bin | 11011100010101… |
… | …10110110011110 |
3 | 121002202011200020 |
4 | 31301112312132 |
5 | 433121324322 |
6 | 34532013010 |
7 | 5503554120 |
oct | 1561266636 |
9 | 532664606 |
10 | 231042462 |
11 | 109465692 |
12 | 65461166 |
13 | 38b35921 |
14 | 22983210 |
15 | 1543c05c |
hex | dc56d9e |
231042462 has 32 divisors (see below), whose sum is σ = 540981504. Its totient is φ = 64401600.
The previous prime is 231042433. The next prime is 231042463. The reversal of 231042462 is 264240132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231042463) 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 15 ways as a sum of consecutive naturals, for example, 65364 + ... + 68807.
It is an arithmetic number, because the mean of its divisors is an integer number (16905672).
Almost surely, 2231042462 is an apocalyptic number.
231042462 is an abundant number, since it is smaller than the sum of its proper divisors (309939042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231042462 is a wasteful number, since it uses less digits than its factorization.
231042462 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134224.
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 231042462 is about 15200.0809866264. The cubic root of 231042462 is about 613.6168373365.
Adding to 231042462 its reverse (264240132), we get a palindrome (495282594).
The spelling of 231042462 in words is "two hundred thirty-one million, forty-two thousand, four hundred sixty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •