Base | Representation |
---|---|
bin | 11011100011111… |
… | …10001111011100 |
3 | 121010001100222212 |
4 | 31301332033130 |
5 | 433142010204 |
6 | 34535255552 |
7 | 5505125366 |
oct | 1561761734 |
9 | 533040885 |
10 | 231203804 |
11 | 109565927 |
12 | 6551a5b8 |
13 | 38b911b0 |
14 | 229c5d36 |
15 | 1546ec6e |
hex | dc7e3dc |
231203804 has 24 divisors (see below), whose sum is σ = 440988240. Its totient is φ = 105421824.
The previous prime is 231203783. The next prime is 231203807. The reversal of 231203804 is 408302132.
231203804 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 231203804.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231203807) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22469 + ... + 31100.
It is an arithmetic number, because the mean of its divisors is an integer number (18374510).
Almost surely, 2231203804 is an apocalyptic number.
It is an amenable number.
231203804 is a deficient number, since it is larger than the sum of its proper divisors (209784436).
231203804 is a wasteful number, since it uses less digits than its factorization.
231203804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53669 (or 53667 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 231203804 is about 15205.3873347574. The cubic root of 231203804 is about 613.7596381168.
Adding to 231203804 its reverse (408302132), we get a palindrome (639505936).
The spelling of 231203804 in words is "two hundred thirty-one million, two hundred three thousand, eight hundred four".
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