Base | Representation |
---|---|
bin | 110000010110… |
… | …1111100101001 |
3 | 1202201010011222 |
4 | 1200231330221 |
5 | 22442312100 |
6 | 2303231425 |
7 | 425335304 |
oct | 140557451 |
9 | 52633158 |
10 | 25354025 |
11 | 13347944 |
12 | 85a8575 |
13 | 53393a8 |
14 | 351db3b |
15 | 235c485 |
hex | 182df29 |
25354025 has 6 divisors (see below), whose sum is σ = 31439022. Its totient is φ = 20283200.
The previous prime is 25354019. The next prime is 25354039. The reversal of 25354025 is 52045352.
It can be written as a sum of positive squares in 3 ways, for example, as 6370576 + 18983449 = 2524^2 + 4357^2 .
It is a de Polignac number, because none of the positive numbers 2k-25354025 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25353985 and 25354003.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 507056 + ... + 507105.
It is an arithmetic number, because the mean of its divisors is an integer number (5239837).
Almost surely, 225354025 is an apocalyptic number.
25354025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25354025 is a deficient number, since it is larger than the sum of its proper divisors (6084997).
25354025 is a wasteful number, since it uses less digits than its factorization.
25354025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1014171 (or 1014166 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 26.
The square root of 25354025 is about 5035.2780459474. The cubic root of 25354025 is about 293.7755432745.
Adding to 25354025 its reverse (52045352), we get a palindrome (77399377).
It can be divided in two parts, 25 and 354025, that multiplied together give a square (8850625 = 29752).
The spelling of 25354025 in words is "twenty-five million, three hundred fifty-four thousand, twenty-five".
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