Base | Representation |
---|---|
bin | 101011111000… |
… | …0001110001101 |
3 | 1121021201121200 |
4 | 1113300032031 |
5 | 21342112140 |
6 | 2141020113 |
7 | 366350121 |
oct | 127601615 |
9 | 47251550 |
10 | 23004045 |
11 | 11a92309 |
12 | 7854639 |
13 | 49c587c |
14 | 30ab581 |
15 | 2046030 |
hex | 15f038d |
23004045 has 12 divisors (see below), whose sum is σ = 39873756. Its totient is φ = 12268800.
The previous prime is 23004017. The next prime is 23004049. The reversal of 23004045 is 54040032.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 8964036 + 14040009 = 2994^2 + 3747^2 .
It is not a de Polignac number, because 23004045 - 25 = 23004013 is a prime.
It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23004049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255556 + ... + 255645.
It is an arithmetic number, because the mean of its divisors is an integer number (3322813).
Almost surely, 223004045 is an apocalyptic number.
It is an amenable number.
23004045 is a deficient number, since it is larger than the sum of its proper divisors (16869711).
23004045 is a wasteful number, since it uses less digits than its factorization.
23004045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 511212 (or 511209 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 18.
The square root of 23004045 is about 4796.2532251748. The cubic root of 23004045 is about 284.4033686629.
Adding to 23004045 its reverse (54040032), we get a palindrome (77044077).
The spelling of 23004045 in words is "twenty-three million, four thousand, forty-five".
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