Base | Representation |
---|---|
bin | 1010110011001000101111 |
3 | 12022211020222 |
4 | 22303020233 |
5 | 1211042040 |
6 | 140401555 |
7 | 33030224 |
oct | 12631057 |
9 | 5284228 |
10 | 2830895 |
11 | 1663991 |
12 | b462bb |
13 | 7816b2 |
14 | 53994b |
15 | 3adbb5 |
hex | 2b322f |
2830895 has 4 divisors (see below), whose sum is σ = 3397080. Its totient is φ = 2264712.
The previous prime is 2830873. The next prime is 2830897. The reversal of 2830895 is 5980382.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5980382 = 2 ⋅2990191.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2830895 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2830897) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283085 + ... + 283094.
It is an arithmetic number, because the mean of its divisors is an integer number (849270).
22830895 is an apocalyptic number.
2830895 is a deficient number, since it is larger than the sum of its proper divisors (566185).
2830895 is an equidigital number, since it uses as much as digits as its factorization.
2830895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 566184.
The product of its (nonzero) digits is 17280, while the sum is 35.
The square root of 2830895 is about 1682.5263742361. The cubic root of 2830895 is about 141.4624755346.
The spelling of 2830895 in words is "two million, eight hundred thirty thousand, eight hundred ninety-five".
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