Base | Representation |
---|---|
bin | 11011011111111… |
… | …01010000100101 |
3 | 121002001112021210 |
4 | 31233331100211 |
5 | 433023103433 |
6 | 34520102033 |
7 | 5500465206 |
oct | 1557752045 |
9 | 532045253 |
10 | 230675493 |
11 | 109234a04 |
12 | 65304919 |
13 | 38a37899 |
14 | 228c95ad |
15 | 153b8463 |
hex | dbfd425 |
230675493 has 4 divisors (see below), whose sum is σ = 307567328. Its totient is φ = 153783660.
The previous prime is 230675491. The next prime is 230675503. The reversal of 230675493 is 394576032.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 230675493 - 21 = 230675491 is a prime.
It is a super-2 number, since 2×2306754932 = 106422366141586098, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230675491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38445913 + ... + 38445918.
It is an arithmetic number, because the mean of its divisors is an integer number (76891832).
Almost surely, 2230675493 is an apocalyptic number.
It is an amenable number.
230675493 is a deficient number, since it is larger than the sum of its proper divisors (76891835).
230675493 is an equidigital number, since it uses as much as digits as its factorization.
230675493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76891834.
The product of its (nonzero) digits is 136080, while the sum is 39.
The square root of 230675493 is about 15188.0049051875. The cubic root of 230675493 is about 613.2917922072.
The spelling of 230675493 in words is "two hundred thirty million, six hundred seventy-five thousand, four hundred ninety-three".
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