Base | Representation |
---|---|
bin | 101100101011… |
… | …1000001101011 |
3 | 1122002010020110 |
4 | 1121113001223 |
5 | 21444101011 |
6 | 2154025403 |
7 | 403052562 |
oct | 131270153 |
9 | 48063213 |
10 | 23425131 |
11 | 1224a714 |
12 | 7a18263 |
13 | 4b12432 |
14 | 317abd9 |
15 | 20caba6 |
hex | 165706b |
23425131 has 8 divisors (see below), whose sum is σ = 31256064. Its totient is φ = 15605480.
The previous prime is 23425123. The next prime is 23425139. The reversal of 23425131 is 13152432.
It is an interprime number because it is at equal distance from previous prime (23425123) and next prime (23425139).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23425131 - 23 = 23425123 is a prime.
It is a super-2 number, since 2×234251312 = 1097473524734322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23425098 and 23425107.
It is not an unprimeable number, because it can be changed into a prime (23425139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5746 + ... + 8936.
It is an arithmetic number, because the mean of its divisors is an integer number (3907008).
Almost surely, 223425131 is an apocalyptic number.
23425131 is a deficient number, since it is larger than the sum of its proper divisors (7830933).
23425131 is a wasteful number, since it uses less digits than its factorization.
23425131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5641.
The product of its digits is 720, while the sum is 21.
The square root of 23425131 is about 4839.9515493443. The cubic root of 23425131 is about 286.1282087736.
Adding to 23425131 its reverse (13152432), we get a palindrome (36577563).
The spelling of 23425131 in words is "twenty-three million, four hundred twenty-five thousand, one hundred thirty-one".
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