Base | Representation |
---|---|
bin | 11011101000001… |
… | …00101001011010 |
3 | 121011002100011201 |
4 | 31310010221122 |
5 | 433312114310 |
6 | 34555144414 |
7 | 5512610413 |
oct | 1564045132 |
9 | 534070151 |
10 | 231754330 |
11 | 109901505 |
12 | 6574510a |
13 | 39024952 |
14 | 22aca80a |
15 | 1552ce3a |
hex | dd04a5a |
231754330 has 16 divisors (see below), whose sum is σ = 417380040. Its totient is φ = 92652352.
The previous prime is 231754307. The next prime is 231754333. The reversal of 231754330 is 33457132.
It can be written as a sum of positive squares in 4 ways, for example, as 202236841 + 29517489 = 14221^2 + 5433^2 .
It is not an unprimeable number, because it can be changed into a prime (231754333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18072 + ... + 28108.
Almost surely, 2231754330 is an apocalyptic number.
231754330 is a deficient number, since it is larger than the sum of its proper divisors (185625710).
231754330 is a wasteful number, since it uses less digits than its factorization.
231754330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12353.
The product of its (nonzero) digits is 7560, while the sum is 28.
The square root of 231754330 is about 15223.4795628332. The cubic root of 231754330 is about 614.2463988591.
The spelling of 231754330 in words is "two hundred thirty-one million, seven hundred fifty-four thousand, three hundred thirty".
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