Base | Representation |
---|---|
bin | 110001000010… |
… | …1100101101001 |
3 | 1210101100121101 |
4 | 1202011211221 |
5 | 23040304001 |
6 | 2315041401 |
7 | 431362006 |
oct | 142054551 |
9 | 53340541 |
10 | 25713001 |
11 | 13572616 |
12 | 8740261 |
13 | 54338c2 |
14 | 35b48ad |
15 | 23cda01 |
hex | 1885969 |
25713001 has 4 divisors (see below), whose sum is σ = 25748352. Its totient is φ = 25677652.
The previous prime is 25712987. The next prime is 25713007. The reversal of 25713001 is 10031752.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 25713001 - 25 = 25712969 is a prime.
It is a super-2 number, since 2×257130012 = 1322316840852002, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 25713001.
It is not an unprimeable number, because it can be changed into a prime (25713007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16561 + ... + 18046.
It is an arithmetic number, because the mean of its divisors is an integer number (6437088).
Almost surely, 225713001 is an apocalyptic number.
It is an amenable number.
25713001 is a deficient number, since it is larger than the sum of its proper divisors (35351).
25713001 is an equidigital number, since it uses as much as digits as its factorization.
25713001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35350.
The product of its (nonzero) digits is 210, while the sum is 19.
The square root of 25713001 is about 5070.7988522520. The cubic root of 25713001 is about 295.1555284454.
Adding to 25713001 its reverse (10031752), we get a palindrome (35744753).
The spelling of 25713001 in words is "twenty-five million, seven hundred thirteen thousand, one".
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