Base | Representation |
---|---|
bin | 101011111010… |
… | …1101000110111 |
3 | 1121022212001101 |
4 | 1113311220313 |
5 | 21343314411 |
6 | 2141310531 |
7 | 366501604 |
oct | 127655067 |
9 | 47285041 |
10 | 23026231 |
11 | 11aa7a48 |
12 | 7865447 |
13 | 4a029b7 |
14 | 30b56ab |
15 | 204c8c1 |
hex | 15f5a37 |
23026231 has 4 divisors (see below), whose sum is σ = 23048392. Its totient is φ = 23004072.
The previous prime is 23026229. The next prime is 23026259. The reversal of 23026231 is 13262032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23026231 - 21 = 23026229 is a prime.
It is a super-2 number, since 2×230262312 = 1060414628130722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23026199 and 23026208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23026631) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9441 + ... + 11626.
It is an arithmetic number, because the mean of its divisors is an integer number (5762098).
Almost surely, 223026231 is an apocalyptic number.
23026231 is a deficient number, since it is larger than the sum of its proper divisors (22161).
23026231 is a wasteful number, since it uses less digits than its factorization.
23026231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22160.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 23026231 is about 4798.5655148179. The cubic root of 23026231 is about 284.4947691935.
Adding to 23026231 its reverse (13262032), we get a palindrome (36288263).
The spelling of 23026231 in words is "twenty-three million, twenty-six thousand, two hundred thirty-one".
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