Base | Representation |
---|---|
bin | 1010111000000001001010 |
3 | 12100211200112 |
4 | 22320001022 |
5 | 1212212030 |
6 | 141034322 |
7 | 33142430 |
oct | 12700112 |
9 | 5324615 |
10 | 2850890 |
11 | 1677a09 |
12 | b559a2 |
13 | 78a823 |
14 | 542d50 |
15 | 3b4a95 |
hex | 2b804a |
2850890 has 32 divisors (see below), whose sum is σ = 5927040. Its totient is φ = 967104.
The previous prime is 2850871. The next prime is 2850899. The reversal of 2850890 is 980582.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2850899) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9584 + ... + 9876.
It is an arithmetic number, because the mean of its divisors is an integer number (185220).
22850890 is an apocalyptic number.
2850890 is an abundant number, since it is smaller than the sum of its proper divisors (3076150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2850890 is a wasteful number, since it uses less digits than its factorization.
2850890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 446.
The product of its (nonzero) digits is 5760, while the sum is 32.
The square root of 2850890 is about 1688.4578762883. The cubic root of 2850890 is about 141.7947507511.
The spelling of 2850890 in words is "two million, eight hundred fifty thousand, eight hundred ninety".
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