Base | Representation |
---|---|
bin | 101100101011… |
… | …0110010000011 |
3 | 1122002001212102 |
4 | 1121112302003 |
5 | 21444033011 |
6 | 2154021015 |
7 | 403046633 |
oct | 131266203 |
9 | 48061772 |
10 | 23424131 |
11 | 12249995 |
12 | 7a1776b |
13 | 4b11b43 |
14 | 317a6c3 |
15 | 20ca73b |
hex | 1656c83 |
23424131 has 4 divisors (see below), whose sum is σ = 24657000. Its totient is φ = 22191264.
The previous prime is 23424103. The next prime is 23424139. The reversal of 23424131 is 13142432.
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 23424131 - 26 = 23424067 is a prime.
It is a super-2 number, since 2×234241312 = 1097379826210322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23424139) 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, 616406 + ... + 616443.
It is an arithmetic number, because the mean of its divisors is an integer number (6164250).
Almost surely, 223424131 is an apocalyptic number.
23424131 is a deficient number, since it is larger than the sum of its proper divisors (1232869).
23424131 is a wasteful number, since it uses less digits than its factorization.
23424131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1232868.
The product of its digits is 576, while the sum is 20.
The square root of 23424131 is about 4839.8482414225. The cubic root of 23424131 is about 286.1241371879.
Adding to 23424131 its reverse (13142432), we get a palindrome (36566563).
The spelling of 23424131 in words is "twenty-three million, four hundred twenty-four thousand, one hundred thirty-one".
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