Base | Representation |
---|---|
bin | 11011011010111… |
… | …10000100011101 |
3 | 121000211101212011 |
4 | 31231132010131 |
5 | 432341222303 |
6 | 34454111221 |
7 | 5462111212 |
oct | 1555360435 |
9 | 530741764 |
10 | 230023453 |
11 | 10892a030 |
12 | 6504b511 |
13 | 38869b6a |
14 | 22799b09 |
15 | 152da16d |
hex | db5e11d |
230023453 has 4 divisors (see below), whose sum is σ = 250934688. Its totient is φ = 209112220.
The previous prime is 230023433. The next prime is 230023471. The reversal of 230023453 is 354320032.
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 230023453 - 221 = 227926301 is a prime.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230023403) 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, 10455601 + ... + 10455622.
It is an arithmetic number, because the mean of its divisors is an integer number (62733672).
Almost surely, 2230023453 is an apocalyptic number.
It is an amenable number.
230023453 is a deficient number, since it is larger than the sum of its proper divisors (20911235).
230023453 is a wasteful number, since it uses less digits than its factorization.
230023453 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20911234.
The product of its (nonzero) digits is 2160, while the sum is 22.
The square root of 230023453 is about 15166.5240909049. The cubic root of 230023453 is about 612.7133921466.
Adding to 230023453 its reverse (354320032), we get a palindrome (584343485).
The spelling of 230023453 in words is "two hundred thirty million, twenty-three thousand, four hundred fifty-three".
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