Base | Representation |
---|---|
bin | 101100010101… |
… | …0010100111101 |
3 | 1121201211002111 |
4 | 1120222110331 |
5 | 21422221140 |
6 | 2150054021 |
7 | 401361031 |
oct | 130522475 |
9 | 47654074 |
10 | 23242045 |
11 | 12135102 |
12 | 794a311 |
13 | 4a79cb8 |
14 | 31301c1 |
15 | 20917ea |
hex | 162a53d |
23242045 has 4 divisors (see below), whose sum is σ = 27890460. Its totient is φ = 18593632.
The previous prime is 23242027. The next prime is 23242067. The reversal of 23242045 is 54024232.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8357881 + 14884164 = 2891^2 + 3858^2 .
It is a cyclic number.
It is not a de Polignac number, because 23242045 - 213 = 23233853 is a prime.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 2324200 + ... + 2324209.
It is an arithmetic number, because the mean of its divisors is an integer number (6972615).
Almost surely, 223242045 is an apocalyptic number.
It is an amenable number.
23242045 is a deficient number, since it is larger than the sum of its proper divisors (4648415).
23242045 is an equidigital number, since it uses as much as digits as its factorization.
23242045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4648414.
The product of its (nonzero) digits is 1920, while the sum is 22.
The square root of 23242045 is about 4821.0004148517. Note that the first 3 decimals coincide. The cubic root of 23242045 is about 285.3808185096.
Adding to 23242045 its reverse (54024232), we get a palindrome (77266277).
The spelling of 23242045 in words is "twenty-three million, two hundred forty-two thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •