Base | Representation |
---|---|
bin | 101111110101… |
… | …1010000011101 |
3 | 1202012020110210 |
4 | 1133223100131 |
5 | 22410041421 |
6 | 2253323033 |
7 | 423120021 |
oct | 137532035 |
9 | 52166423 |
10 | 25080861 |
11 | 13180693 |
12 | 8496479 |
13 | 5271c60 |
14 | 348c381 |
15 | 2306576 |
hex | 17eb41d |
25080861 has 8 divisors (see below), whose sum is σ = 36013600. Its totient is φ = 15434352.
The previous prime is 25080859. The next prime is 25080883. The reversal of 25080861 is 16808052.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 25080861 - 21 = 25080859 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25080761) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321511 + ... + 321588.
It is an arithmetic number, because the mean of its divisors is an integer number (4501700).
Almost surely, 225080861 is an apocalyptic number.
It is an amenable number.
25080861 is a deficient number, since it is larger than the sum of its proper divisors (10932739).
25080861 is a wasteful number, since it uses less digits than its factorization.
25080861 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 643115.
The product of its (nonzero) digits is 3840, while the sum is 30.
The square root of 25080861 is about 5008.0795720515. The cubic root of 25080861 is about 292.7166865406.
The spelling of 25080861 in words is "twenty-five million, eighty thousand, eight hundred sixty-one".
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