Base | Representation |
---|---|
bin | 1010111001000100010110 |
3 | 12101001120210 |
4 | 22321010112 |
5 | 1212331230 |
6 | 141110250 |
7 | 33161112 |
oct | 12710426 |
9 | 5331523 |
10 | 2855190 |
11 | 1680168 |
12 | b58386 |
13 | 78c780 |
14 | 544742 |
15 | 3b5eb0 |
hex | 2b9116 |
2855190 has 32 divisors (see below), whose sum is σ = 7380576. Its totient is φ = 702720.
The previous prime is 2855189. The next prime is 2855207. The reversal of 2855190 is 915582.
It is a super-2 number, since 2×28551902 = 16304219872200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3271 + ... + 4050.
It is an arithmetic number, because the mean of its divisors is an integer number (230643).
22855190 is an apocalyptic number.
2855190 is an abundant number, since it is smaller than the sum of its proper divisors (4525386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2855190 is a wasteful number, since it uses less digits than its factorization.
2855190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7344.
The product of its (nonzero) digits is 3600, while the sum is 30.
The square root of 2855190 is about 1689.7307477820. The cubic root of 2855190 is about 141.8660046565.
The spelling of 2855190 in words is "two million, eight hundred fifty-five thousand, one hundred ninety".
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