Base | Representation |
---|---|
bin | 11011011101010… |
… | …01001101100001 |
3 | 121001102001001102 |
4 | 31232221031201 |
5 | 432431044413 |
6 | 34504444145 |
7 | 5464532426 |
oct | 1556511541 |
9 | 531361042 |
10 | 230331233 |
11 | 10901a2a0 |
12 | 65179655 |
13 | 38946c92 |
14 | 22839d4d |
15 | 1534b458 |
hex | dba9361 |
230331233 has 4 divisors (see below), whose sum is σ = 251270448. Its totient is φ = 209392020.
The previous prime is 230331229. The next prime is 230331239. The reversal of 230331233 is 332133032.
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 230331233 - 22 = 230331229 is a prime.
It is not an unprimeable number, because it can be changed into a prime (230331239) 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, 10469591 + ... + 10469612.
It is an arithmetic number, because the mean of its divisors is an integer number (62817612).
Almost surely, 2230331233 is an apocalyptic number.
It is an amenable number.
230331233 is a deficient number, since it is larger than the sum of its proper divisors (20939215).
230331233 is a wasteful number, since it uses less digits than its factorization.
230331233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20939214.
The product of its (nonzero) digits is 972, while the sum is 20.
The square root of 230331233 is about 15176.6673878029. The cubic root of 230331233 is about 612.9865481783.
Adding to 230331233 its reverse (332133032), we get a palindrome (562464265).
The spelling of 230331233 in words is "two hundred thirty million, three hundred thirty-one thousand, two hundred thirty-three".
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