Base | Representation |
---|---|
bin | 11011011101011… |
… | …11001111101101 |
3 | 121001110021221211 |
4 | 31232233033231 |
5 | 432432342244 |
6 | 34505154421 |
7 | 5464664455 |
oct | 1556571755 |
9 | 531407854 |
10 | 230355949 |
11 | 10903691a |
12 | 6518ba11 |
13 | 389552c5 |
14 | 22844d65 |
15 | 15353934 |
hex | dbaf3ed |
230355949 has 4 divisors (see below), whose sum is σ = 230391964. Its totient is φ = 230319936.
The previous prime is 230355919. The next prime is 230355973. The reversal of 230355949 is 949553032.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 112741924 + 117614025 = 10618^2 + 10845^2 .
It is a cyclic number.
It is not a de Polignac number, because 230355949 - 223 = 221967341 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230355919) 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, 5532 + ... + 22165.
It is an arithmetic number, because the mean of its divisors is an integer number (57597991).
Almost surely, 2230355949 is an apocalyptic number.
It is an amenable number.
230355949 is a deficient number, since it is larger than the sum of its proper divisors (36015).
230355949 is an equidigital number, since it uses as much as digits as its factorization.
230355949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36014.
The product of its (nonzero) digits is 145800, while the sum is 40.
The square root of 230355949 is about 15177.4816422225. The cubic root of 230355949 is about 613.0084731737.
The spelling of 230355949 in words is "two hundred thirty million, three hundred fifty-five thousand, nine hundred forty-nine".
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