Base | Representation |
---|---|
bin | 101101011110… |
… | …0110011100111 |
3 | 1122212022002220 |
4 | 1122330303213 |
5 | 22100421043 |
6 | 2211003423 |
7 | 406440162 |
oct | 132746347 |
9 | 48768086 |
10 | 23842023 |
11 | 12504957 |
12 | 7b99573 |
13 | 4c2a10a |
14 | 3248ad9 |
15 | 215e483 |
hex | 16bcce7 |
23842023 has 16 divisors (see below), whose sum is σ = 32795520. Its totient is φ = 15395616.
The previous prime is 23841977. The next prime is 23842043. The reversal of 23842023 is 32024832.
It is a de Polignac number, because none of the positive numbers 2k-23842023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23841984 and 23842002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23842043) 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, 38208 + ... + 38826.
It is an arithmetic number, because the mean of its divisors is an integer number (2049720).
Almost surely, 223842023 is an apocalyptic number.
23842023 is a deficient number, since it is larger than the sum of its proper divisors (8953497).
23842023 is a wasteful number, since it uses less digits than its factorization.
23842023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1006.
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 23842023 is about 4882.8294051707. The cubic root of 23842023 is about 287.8156251422.
Adding to 23842023 its reverse (32024832), we get a palindrome (55866855).
The spelling of 23842023 in words is "twenty-three million, eight hundred forty-two thousand, twenty-three".
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