Base | Representation |
---|---|
bin | 11011100010110… |
… | …01101110100101 |
3 | 121002202202211122 |
4 | 31301121232211 |
5 | 433122213440 |
6 | 34532143325 |
7 | 5503633352 |
oct | 1561315645 |
9 | 532682748 |
10 | 231054245 |
11 | 109473524 |
12 | 65467b45 |
13 | 38b3b0b6 |
14 | 22987629 |
15 | 154407b5 |
hex | dc59ba5 |
231054245 has 8 divisors (see below), whose sum is σ = 277655040. Its totient is φ = 184583440.
The previous prime is 231054227. The next prime is 231054247. The reversal of 231054245 is 542450132.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-231054245 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231054247) 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, 28541 + ... + 35730.
It is an arithmetic number, because the mean of its divisors is an integer number (34706880).
Almost surely, 2231054245 is an apocalyptic number.
It is an amenable number.
231054245 is a deficient number, since it is larger than the sum of its proper divisors (46600795).
231054245 is an equidigital number, since it uses as much as digits as its factorization.
231054245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64995.
The product of its (nonzero) digits is 4800, while the sum is 26.
The square root of 231054245 is about 15200.4685783038. The cubic root of 231054245 is about 613.6272684989.
The spelling of 231054245 in words is "two hundred thirty-one million, fifty-four thousand, two hundred forty-five".
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