Base | Representation |
---|---|
bin | 101111110110… |
… | …0011001100101 |
3 | 1202012110220010 |
4 | 1133230121211 |
5 | 22410214131 |
6 | 2253400433 |
7 | 423136455 |
oct | 137543145 |
9 | 52173803 |
10 | 25085541 |
11 | 13184158 |
12 | 8499119 |
13 | 5274120 |
14 | 348dd65 |
15 | 2307b46 |
hex | 17ec665 |
25085541 has 16 divisors (see below), whose sum is σ = 37184000. Its totient is φ = 14938560.
The previous prime is 25085539. The next prime is 25085623. The reversal of 25085541 is 14558052.
It is not a de Polignac number, because 25085541 - 21 = 25085539 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25085499 and 25085508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25085141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9166 + ... + 11583.
It is an arithmetic number, because the mean of its divisors is an integer number (2324000).
Almost surely, 225085541 is an apocalyptic number.
It is an amenable number.
25085541 is a deficient number, since it is larger than the sum of its proper divisors (12098459).
25085541 is a wasteful number, since it uses less digits than its factorization.
25085541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20796.
The product of its (nonzero) digits is 8000, while the sum is 30.
The square root of 25085541 is about 5008.5467952291. The cubic root of 25085541 is about 292.7348920413.
The spelling of 25085541 in words is "twenty-five million, eighty-five thousand, five hundred forty-one".
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