Base | Representation |
---|---|
bin | 11011011011100… |
… | …11110000000001 |
3 | 121000222220200012 |
4 | 31231303300001 |
5 | 432402043012 |
6 | 34500034305 |
7 | 5462631134 |
oct | 1555636001 |
9 | 530886605 |
10 | 230112257 |
11 | 10898a821 |
12 | 65092995 |
13 | 3889b3cb |
14 | 227c021b |
15 | 15306622 |
hex | db73c01 |
230112257 has 4 divisors (see below), whose sum is σ = 231268800. Its totient is φ = 228955716.
The previous prime is 230112251. The next prime is 230112269. The reversal of 230112257 is 752211032.
It is a happy number.
230112257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 a cyclic number.
It is not a de Polignac number, because 230112257 - 24 = 230112241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230112251) 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, 577973 + ... + 578370.
It is an arithmetic number, because the mean of its divisors is an integer number (57817200).
Almost surely, 2230112257 is an apocalyptic number.
It is an amenable number.
230112257 is a deficient number, since it is larger than the sum of its proper divisors (1156543).
230112257 is a wasteful number, since it uses less digits than its factorization.
230112257 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1156542.
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 230112257 is about 15169.4514403125. The cubic root of 230112257 is about 612.7922310632.
Adding to 230112257 its reverse (752211032), we get a palindrome (982323289).
The spelling of 230112257 in words is "two hundred thirty million, one hundred twelve thousand, two hundred fifty-seven".
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