Base | Representation |
---|---|
bin | 1010110011001000011000 |
3 | 12022211020010 |
4 | 22303020120 |
5 | 1211041442 |
6 | 140401520 |
7 | 33030162 |
oct | 12631030 |
9 | 5284203 |
10 | 2830872 |
11 | 1663970 |
12 | b462a0 |
13 | 781695 |
14 | 539932 |
15 | 3adb9c |
hex | 2b3218 |
2830872 has 32 divisors (see below), whose sum is σ = 7721280. Its totient is φ = 857760.
The previous prime is 2830871. The next prime is 2830873. The reversal of 2830872 is 2780382.
It is an interprime number because it is at equal distance from previous prime (2830871) and next prime (2830873).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2830871) 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, 5098 + ... + 5625.
It is an arithmetic number, because the mean of its divisors is an integer number (241290).
22830872 is an apocalyptic number.
2830872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2830872 is an abundant number, since it is smaller than the sum of its proper divisors (4890408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2830872 is a wasteful number, since it uses less digits than its factorization.
2830872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10743 (or 10739 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 2830872 is about 1682.5195392625. The cubic root of 2830872 is about 141.4620924231.
The spelling of 2830872 in words is "two million, eight hundred thirty thousand, eight hundred seventy-two".
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