Base | Representation |
---|---|
bin | 110000010101… |
… | …1100011100111 |
3 | 1202200121202020 |
4 | 1200223203213 |
5 | 22442003411 |
6 | 2303114223 |
7 | 425264613 |
oct | 140534347 |
9 | 52617666 |
10 | 25344231 |
11 | 13340550 |
12 | 85a2973 |
13 | 5334ab3 |
14 | 351a343 |
15 | 2359606 |
hex | 182b8e7 |
25344231 has 32 divisors (see below), whose sum is σ = 38776320. Its totient is φ = 14582400.
The previous prime is 25344211. The next prime is 25344281. The reversal of 25344231 is 13244352.
It is not a de Polignac number, because 25344231 - 25 = 25344199 is a prime.
It is a super-2 number, since 2×253442312 = 1284660089962722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25344211) 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 31 ways as a sum of consecutive naturals, for example, 67761 + ... + 68133.
It is an arithmetic number, because the mean of its divisors is an integer number (1211760).
Almost surely, 225344231 is an apocalyptic number.
25344231 is a deficient number, since it is larger than the sum of its proper divisors (13432089).
25344231 is a wasteful number, since it uses less digits than its factorization.
25344231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 487.
The product of its digits is 2880, while the sum is 24.
The square root of 25344231 is about 5034.3054138580. The cubic root of 25344231 is about 293.7377109089.
Adding to 25344231 its reverse (13244352), we get a palindrome (38588583).
The spelling of 25344231 in words is "twenty-five million, three hundred forty-four thousand, two hundred thirty-one".
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