Base | Representation |
---|---|
bin | 101111111010… |
… | …1111010001101 |
3 | 1202021110022210 |
4 | 1133311322031 |
5 | 22412440433 |
6 | 2254301033 |
7 | 423361152 |
oct | 137657215 |
9 | 52243283 |
10 | 25124493 |
11 | 13200449 |
12 | 84b7779 |
13 | 5288a84 |
14 | 34a0229 |
15 | 2314463 |
hex | 17f5e8d |
25124493 has 8 divisors (see below), whose sum is σ = 33526656. Its totient is φ = 16736000.
The previous prime is 25124471. The next prime is 25124509. The reversal of 25124493 is 39442152.
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 25124493 - 217 = 24993421 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 25124493.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25124413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188 + ... + 7418.
It is an arithmetic number, because the mean of its divisors is an integer number (4190832).
Almost surely, 225124493 is an apocalyptic number.
It is an amenable number.
25124493 is a deficient number, since it is larger than the sum of its proper divisors (8402163).
25124493 is a wasteful number, since it uses less digits than its factorization.
25124493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6835.
The product of its digits is 8640, while the sum is 30.
The square root of 25124493 is about 5012.4338399624. The cubic root of 25124493 is about 292.8863300447.
The spelling of 25124493 in words is "twenty-five million, one hundred twenty-four thousand, four hundred ninety-three".
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