Base | Representation |
---|---|
bin | 101111101101… |
… | …0111111010111 |
3 | 1202001212002000 |
4 | 1133122333113 |
5 | 22400423411 |
6 | 2252050343 |
7 | 422421534 |
oct | 137327727 |
9 | 52055060 |
10 | 25014231 |
11 | 13135620 |
12 | 84639b3 |
13 | 524a828 |
14 | 3471d8b |
15 | 22e1956 |
hex | 17dafd7 |
25014231 has 16 divisors (see below), whose sum is σ = 40427520. Its totient is φ = 15159960.
The previous prime is 25014173. The next prime is 25014247. The reversal of 25014231 is 13241052.
It is not a de Polignac number, because 25014231 - 26 = 25014167 is a prime.
It is a super-2 number, since 2×250142312 = 1251423505042722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25014281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41815 + ... + 42408.
It is an arithmetic number, because the mean of its divisors is an integer number (2526720).
Almost surely, 225014231 is an apocalyptic number.
25014231 is a deficient number, since it is larger than the sum of its proper divisors (15413289).
25014231 is a wasteful number, since it uses less digits than its factorization.
25014231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84243 (or 84237 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 25014231 is about 5001.4228975363. The cubic root of 25014231 is about 292.4572455590.
Adding to 25014231 its reverse (13241052), we get a palindrome (38255283).
The spelling of 25014231 in words is "twenty-five million, fourteen thousand, two hundred thirty-one".
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