Base | Representation |
---|---|
bin | 11011100010100… |
… | …10100100000101 |
3 | 121002201021120211 |
4 | 31301102210011 |
5 | 433120244101 |
6 | 34531355421 |
7 | 5503451662 |
oct | 1561224405 |
9 | 532637524 |
10 | 231024901 |
11 | 109453478 |
12 | 65452b71 |
13 | 38b2a933 |
14 | 2297aa69 |
15 | 15436c51 |
hex | dc52905 |
231024901 has 2 divisors, whose sum is σ = 231024902. Its totient is φ = 231024900.
The previous prime is 231024869. The next prime is 231024907. The reversal of 231024901 is 109420132.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 143976001 + 87048900 = 11999^2 + 9330^2 .
It is a cyclic number.
It is not a de Polignac number, because 231024901 - 25 = 231024869 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (231024907) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115512450 + 115512451.
It is an arithmetic number, because the mean of its divisors is an integer number (115512451).
Almost surely, 2231024901 is an apocalyptic number.
It is an amenable number.
231024901 is a deficient number, since it is larger than the sum of its proper divisors (1).
231024901 is an equidigital number, since it uses as much as digits as its factorization.
231024901 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 231024901 is about 15199.5033142534. The cubic root of 231024901 is about 613.6012904132.
The spelling of 231024901 in words is "two hundred thirty-one million, twenty-four thousand, nine hundred one".
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