Base | Representation |
---|---|
bin | 11011100111011… |
… | …00010110101110 |
3 | 121010220021200112 |
4 | 31303230112232 |
5 | 433300423310 |
6 | 34553100022 |
7 | 5512014341 |
oct | 1563542656 |
9 | 533807615 |
10 | 231654830 |
11 | 109843780 |
12 | 656b7612 |
13 | 38cbb584 |
14 | 22aa2458 |
15 | 1550d705 |
hex | dcec5ae |
231654830 has 16 divisors (see below), whose sum is σ = 454886064. Its totient is φ = 84238080.
The previous prime is 231654809. The next prime is 231654833. The reversal of 231654830 is 38456132.
231654830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231654833) 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 7 ways as a sum of consecutive naturals, for example, 1052867 + ... + 1053086.
It is an arithmetic number, because the mean of its divisors is an integer number (28430379).
Almost surely, 2231654830 is an apocalyptic number.
231654830 is a deficient number, since it is larger than the sum of its proper divisors (223231234).
231654830 is a wasteful number, since it uses less digits than its factorization.
231654830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2105971.
The product of its (nonzero) digits is 17280, while the sum is 32.
The square root of 231654830 is about 15220.2112337510. The cubic root of 231654830 is about 614.1584806666.
The spelling of 231654830 in words is "two hundred thirty-one million, six hundred fifty-four thousand, eight hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •