Base | Representation |
---|---|
bin | 10010101010000000000001 |
3 | 100012110200021 |
4 | 102222000001 |
5 | 2223000000 |
6 | 252453441 |
7 | 56366245 |
oct | 22520001 |
9 | 10173607 |
10 | 4890625 |
11 | 2840443 |
12 | 177a281 |
13 | 102307c |
14 | 914425 |
15 | 66911a |
hex | 4aa001 |
4890625 has 14 divisors (see below), whose sum is σ = 6132734. Its totient is φ = 3900000.
The previous prime is 4890617. The next prime is 4890629. The reversal of 4890625 is 5260984.
It is a happy number.
It can be written as a sum of positive squares in 7 ways, for example, as 4198401 + 692224 = 2049^2 + 832^2 .
It is not a de Polignac number, because 4890625 - 23 = 4890617 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4890629) by changing a digit.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 15469 + ... + 15781.
It is a Proth number, since it is equal to 597 ⋅ 213 + 1 and 597 < 213.
Almost surely, 24890625 is an apocalyptic number.
It is an amenable number.
4890625 is a deficient number, since it is larger than the sum of its proper divisors (1242109).
4890625 is an frugal number, since it uses more digits than its factorization.
4890625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 343 (or 318 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 4890625 is about 2211.4757516193. The cubic root of 4890625 is about 169.7415334109.
The spelling of 4890625 in words is "four million, eight hundred ninety thousand, six hundred twenty-five".
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