Base | Representation |
---|---|
bin | 101111011000… |
… | …111110000101 |
3 | 212101011012210 |
4 | 233120332011 |
5 | 11140014140 |
6 | 1122134033 |
7 | 210410535 |
oct | 57307605 |
9 | 25334183 |
10 | 12423045 |
11 | 7015688 |
12 | 41b1319 |
13 | 275c71b |
14 | 19154c5 |
15 | 1155d80 |
hex | bd8f85 |
12423045 has 16 divisors (see below), whose sum is σ = 20002752. Its totient is φ = 6583680.
The previous prime is 12423031. The next prime is 12423053. The reversal of 12423045 is 54032421.
It is not a de Polignac number, because 12423045 - 29 = 12422533 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96 + ... + 4985.
It is an arithmetic number, because the mean of its divisors is an integer number (1250172).
Almost surely, 212423045 is an apocalyptic number.
12423045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12423045 is a deficient number, since it is larger than the sum of its proper divisors (7579707).
12423045 is a wasteful number, since it uses less digits than its factorization.
12423045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5252.
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 12423045 is about 3524.6340235548. The cubic root of 12423045 is about 231.6022030210.
Adding to 12423045 its reverse (54032421), we get a palindrome (66455466).
The spelling of 12423045 in words is "twelve million, four hundred twenty-three thousand, forty-five".
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