Base | Representation |
---|---|
bin | 101100001001… |
… | …0000100100101 |
3 | 1121112202210210 |
4 | 1120102010211 |
5 | 21411031233 |
6 | 2144010033 |
7 | 400465260 |
oct | 130220445 |
9 | 47482723 |
10 | 23142693 |
11 | 120774a2 |
12 | 7900919 |
13 | 4a43a02 |
14 | 3105cd7 |
15 | 2072163 |
hex | 1612125 |
23142693 has 16 divisors (see below), whose sum is σ = 35481600. Its totient is φ = 13143216.
The previous prime is 23142689. The next prime is 23142697. The reversal of 23142693 is 39624132.
23142693 is nontrivially palindromic in base 4.
It is an interprime number because it is at equal distance from previous prime (23142689) and next prime (23142697).
It is not a de Polignac number, because 23142693 - 22 = 23142689 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23142693.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23142697) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208 + ... + 6806.
It is an arithmetic number, because the mean of its divisors is an integer number (2217600).
Almost surely, 223142693 is an apocalyptic number.
It is an amenable number.
23142693 is a deficient number, since it is larger than the sum of its proper divisors (12338907).
23142693 is a wasteful number, since it uses less digits than its factorization.
23142693 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6776.
The product of its digits is 7776, while the sum is 30.
The square root of 23142693 is about 4810.6852942174. The cubic root of 23142693 is about 284.9736017408.
It can be divided in two parts, 231 and 42693, that added together give a palindrome (42924).
The spelling of 23142693 in words is "twenty-three million, one hundred forty-two thousand, six hundred ninety-three".
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