Base | Representation |
---|---|
bin | 101111110000… |
… | …1100010011001 |
3 | 1202010012212021 |
4 | 1133201202121 |
5 | 22402303144 |
6 | 2252414441 |
7 | 422562655 |
oct | 137414231 |
9 | 52105767 |
10 | 25041049 |
11 | 13153790 |
12 | 8477421 |
13 | 5259ab7 |
14 | 347ba65 |
15 | 22e9884 |
hex | 17e1899 |
25041049 has 16 divisors (see below), whose sum is σ = 28230336. Its totient is φ = 22017600.
The previous prime is 25041047. The next prime is 25041067. The reversal of 25041049 is 94014052.
It is not a de Polignac number, because 25041049 - 21 = 25041047 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25041041) 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 15 ways as a sum of consecutive naturals, for example, 44679 + ... + 45235.
It is an arithmetic number, because the mean of its divisors is an integer number (1764396).
Almost surely, 225041049 is an apocalyptic number.
It is an amenable number.
25041049 is a deficient number, since it is larger than the sum of its proper divisors (3189287).
25041049 is a wasteful number, since it uses less digits than its factorization.
25041049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 696.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 25041049 is about 5004.1032163615. The cubic root of 25041049 is about 292.5617236483.
It can be divided in two parts, 2504 and 1049, that added together give a palindrome (3553).
The spelling of 25041049 in words is "twenty-five million, forty-one thousand, forty-nine".
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