Base | Representation |
---|---|
bin | 1011000001100110000011 |
3 | 12102211111022 |
4 | 23001212003 |
5 | 1214440430 |
6 | 141540055 |
7 | 33364664 |
oct | 13014603 |
9 | 5384438 |
10 | 2890115 |
11 | 16a4428 |
12 | b7462b |
13 | 7a2637 |
14 | 55336b |
15 | 3c14e5 |
hex | 2c1983 |
2890115 has 16 divisors (see below), whose sum is σ = 3598560. Its totient is φ = 2227200.
The previous prime is 2890103. The next prime is 2890117. The reversal of 2890115 is 5110982.
2890115 = T194 + T195 + ... + T290.
It is a happy number.
It is not a de Polignac number, because 2890115 - 210 = 2889091 is a prime.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (2890117) 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, 28565 + ... + 28665.
It is an arithmetic number, because the mean of its divisors is an integer number (224910).
22890115 is an apocalyptic number.
2890115 is a deficient number, since it is larger than the sum of its proper divisors (708445).
2890115 is a wasteful number, since it uses less digits than its factorization.
2890115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 262.
The product of its (nonzero) digits is 720, while the sum is 26.
The square root of 2890115 is about 1700.0338231929. The cubic root of 2890115 is about 142.4421022616.
The spelling of 2890115 in words is "two million, eight hundred ninety thousand, one hundred fifteen".
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