Base | Representation |
---|---|
bin | 11011100010101… |
… | …10111110111010 |
3 | 121002202012102020 |
4 | 31301112332322 |
5 | 433121334002 |
6 | 34532015310 |
7 | 5503555521 |
oct | 1561267672 |
9 | 532665366 |
10 | 231043002 |
11 | 109466033 |
12 | 65461536 |
13 | 38b35c48 |
14 | 229834b8 |
15 | 1543c2bc |
hex | dc56fba |
231043002 has 32 divisors (see below), whose sum is σ = 488973120. Its totient is φ = 72576000.
The previous prime is 231042991. The next prime is 231043003. The reversal of 231043002 is 200340132.
It is not an unprimeable number, because it can be changed into a prime (231043003) 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, 16752 + ... + 27252.
It is an arithmetic number, because the mean of its divisors is an integer number (15280410).
Almost surely, 2231043002 is an apocalyptic number.
231043002 is an abundant number, since it is smaller than the sum of its proper divisors (257930118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231043002 is a wasteful number, since it uses less digits than its factorization.
231043002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10718.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 231043002 is about 15200.0987496792. The cubic root of 231043002 is about 613.6173153913.
Adding to 231043002 its reverse (200340132), we get a palindrome (431383134).
It can be divided in two parts, 23104 and 3002, that added together give a triangular number (26106 = T228).
The spelling of 231043002 in words is "two hundred thirty-one million, forty-three thousand, two".
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