Base | Representation |
---|---|
bin | 11011011100101… |
… | …10101000011011 |
3 | 121001021011122211 |
4 | 31232112220123 |
5 | 432421131011 |
6 | 34503055551 |
7 | 5464064521 |
oct | 1556265033 |
9 | 531234584 |
10 | 230255131 |
11 | 108a780a7 |
12 | 651415b7 |
13 | 3891b452 |
14 | 2281a311 |
15 | 15333b21 |
hex | db96a1b |
230255131 has 4 divisors (see below), whose sum is σ = 230635072. Its totient is φ = 229875192.
The previous prime is 230255087. The next prime is 230255143. The reversal of 230255131 is 131552032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230255131 is a prime.
It is a super-2 number, since 2×2302551312 = 106034850703654322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230255171) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189060 + ... + 190273.
It is an arithmetic number, because the mean of its divisors is an integer number (57658768).
Almost surely, 2230255131 is an apocalyptic number.
230255131 is a deficient number, since it is larger than the sum of its proper divisors (379941).
230255131 is an equidigital number, since it uses as much as digits as its factorization.
230255131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379940.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 230255131 is about 15174.1599767499. The cubic root of 230255131 is about 612.9190299925.
The spelling of 230255131 in words is "two hundred thirty million, two hundred fifty-five thousand, one hundred thirty-one".
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