Base | Representation |
---|---|
bin | 101101001001… |
… | …1100100111001 |
3 | 1122112201110011 |
4 | 1122103210321 |
5 | 22030020040 |
6 | 2203221521 |
7 | 405134626 |
oct | 132234471 |
9 | 48481404 |
10 | 23673145 |
11 | 123a9a91 |
12 | 7b178a1 |
13 | 4b9b2a2 |
14 | 320334d |
15 | 21293ea |
hex | 1693939 |
23673145 has 16 divisors (see below), whose sum is σ = 30070080. Its totient is φ = 17841600.
The previous prime is 23673137. The next prime is 23673151. The reversal of 23673145 is 54137632.
It is not a de Polignac number, because 23673145 - 23 = 23673137 is a prime.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 19455 + ... + 20635.
It is an arithmetic number, because the mean of its divisors is an integer number (1879380).
Almost surely, 223673145 is an apocalyptic number.
It is an amenable number.
23673145 is a deficient number, since it is larger than the sum of its proper divisors (6396935).
23673145 is a wasteful number, since it uses less digits than its factorization.
23673145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1416.
The product of its digits is 15120, while the sum is 31.
The square root of 23673145 is about 4865.5056263455. The cubic root of 23673145 is about 287.1344617139.
The spelling of 23673145 in words is "twenty-three million, six hundred seventy-three thousand, one hundred forty-five".
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