Base | Representation |
---|---|
bin | 1010100111111111001110 |
3 | 12020111121200 |
4 | 22213333032 |
5 | 1203111410 |
6 | 135410330 |
7 | 32450130 |
oct | 12477716 |
9 | 5214550 |
10 | 2785230 |
11 | 1632648 |
12 | b239a6 |
13 | 766986 |
14 | 527050 |
15 | 3a03c0 |
hex | 2a7fce |
2785230 has 48 divisors (see below), whose sum is σ = 8277984. Its totient is φ = 636480.
The previous prime is 2785219. The next prime is 2785241. The reversal of 2785230 is 325872.
It is an interprime number because it is at equal distance from previous prime (2785219) and next prime (2785241).
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 2785194 and 2785203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1581 + ... + 2840.
It is an arithmetic number, because the mean of its divisors is an integer number (172458).
22785230 is an apocalyptic number.
2785230 is an abundant number, since it is smaller than the sum of its proper divisors (5492754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2785230 is a wasteful number, since it uses less digits than its factorization.
2785230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4441 (or 4438 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 2785230 is about 1668.9008358797. The cubic root of 2785230 is about 140.6977075866.
The spelling of 2785230 in words is "two million, seven hundred eighty-five thousand, two hundred thirty".
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