Base | Representation |
---|---|
bin | 11011100010100… |
… | …11101111110000 |
3 | 121002201112020012 |
4 | 31301103233300 |
5 | 433120422434 |
6 | 34531434052 |
7 | 5503502051 |
oct | 1561235760 |
9 | 532645205 |
10 | 231029744 |
11 | 109457080 |
12 | 65455928 |
13 | 38b2cbba |
14 | 2297c728 |
15 | 154383ce |
hex | dc53bf0 |
231029744 has 20 divisors (see below), whose sum is σ = 488313240. Its totient is φ = 105013440.
The previous prime is 231029737. The next prime is 231029761. The reversal of 231029744 is 447920132.
231029744 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2310297442 = 106749485225411072, which contains 22 as substring.
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 231029744.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656159 + ... + 656510.
It is an arithmetic number, because the mean of its divisors is an integer number (24415662).
Almost surely, 2231029744 is an apocalyptic number.
It is an amenable number.
231029744 is an abundant number, since it is smaller than the sum of its proper divisors (257283496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231029744 is a wasteful number, since it uses less digits than its factorization.
231029744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1312688 (or 1312682 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 231029744 is about 15199.6626278349. The cubic root of 231029744 is about 613.6055780467.
Adding to 231029744 its reverse (447920132), we get a palindrome (678949876).
The spelling of 231029744 in words is "two hundred thirty-one million, twenty-nine thousand, seven hundred forty-four".
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