Base | Representation |
---|---|
bin | 1010111111010011010101 |
3 | 12102100121112 |
4 | 22333103111 |
5 | 1214140400 |
6 | 141424405 |
7 | 33325421 |
oct | 12772325 |
9 | 5370545 |
10 | 2880725 |
11 | 1698371 |
12 | b6b105 |
13 | 79b293 |
14 | 54db81 |
15 | 3bd835 |
hex | 2bf4d5 |
2880725 has 12 divisors (see below), whose sum is σ = 3632580. Its totient is φ = 2265600.
The previous prime is 2880719. The next prime is 2880733. The reversal of 2880725 is 5270882.
It can be written as a sum of positive squares in 6 ways, for example, as 552049 + 2328676 = 743^2 + 1526^2 .
It is not a de Polignac number, because 2880725 - 28 = 2880469 is a prime.
It is an Ulam number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2880691 and 2880700.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581 + ... + 2469.
It is an arithmetic number, because the mean of its divisors is an integer number (302715).
22880725 is an apocalyptic number.
2880725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2880725 is a deficient number, since it is larger than the sum of its proper divisors (751855).
2880725 is a wasteful number, since it uses less digits than its factorization.
2880725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1960 (or 1955 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 32.
The square root of 2880725 is about 1697.2698665799. The cubic root of 2880725 is about 142.2876698245.
The spelling of 2880725 in words is "two million, eight hundred eighty thousand, seven hundred twenty-five".
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