Base | Representation |
---|---|
bin | 101100000110… |
… | …1010010000011 |
3 | 1121111202220012 |
4 | 1120031102003 |
5 | 21404414300 |
6 | 2143335135 |
7 | 400354133 |
oct | 130152203 |
9 | 47452805 |
10 | 23123075 |
11 | 12063788 |
12 | 78b14ab |
13 | 4a37ac1 |
14 | 30dcac3 |
15 | 206b435 |
hex | 160d483 |
23123075 has 12 divisors (see below), whose sum is σ = 28786848. Its totient is φ = 18424800.
The previous prime is 23123071. The next prime is 23123143. The reversal of 23123075 is 57032132.
It is not a de Polignac number, because 23123075 - 22 = 23123071 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23123075.
It is not an unprimeable number, because it can be changed into a prime (23123071) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5069 + ... + 8481.
It is an arithmetic number, because the mean of its divisors is an integer number (2398904).
Almost surely, 223123075 is an apocalyptic number.
23123075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
23123075 is a deficient number, since it is larger than the sum of its proper divisors (5663773).
23123075 is a wasteful number, since it uses less digits than its factorization.
23123075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3694 (or 3689 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 23.
The square root of 23123075 is about 4808.6458592830. The cubic root of 23123075 is about 284.8930551859.
The spelling of 23123075 in words is "twenty-three million, one hundred twenty-three thousand, seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •