Base | Representation |
---|---|
bin | 1011000001110000000011 |
3 | 12102212101000 |
4 | 23001300003 |
5 | 1220001010 |
6 | 141543043 |
7 | 33366600 |
oct | 13016003 |
9 | 5385330 |
10 | 2890755 |
11 | 16a495a |
12 | b74a83 |
13 | 7a2a0a |
14 | 5536a7 |
15 | 3c17c0 |
hex | 2c1c03 |
2890755 has 96 divisors (see below), whose sum is σ = 6566400. Its totient is φ = 1197504.
The previous prime is 2890753. The next prime is 2890759. The reversal of 2890755 is 5570982.
It is not a de Polignac number, because 2890755 - 21 = 2890753 is a prime.
It is a zygodrome in base 7.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2890753) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 125674 + ... + 125696.
It is an arithmetic number, because the mean of its divisors is an integer number (68400).
22890755 is an apocalyptic number.
2890755 is an abundant number, since it is smaller than the sum of its proper divisors (3675645).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2890755 is a wasteful number, since it uses less digits than its factorization.
2890755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70 (or 57 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 36.
The square root of 2890755 is about 1700.2220443224. Note that the first 3 decimals coincide. The cubic root of 2890755 is about 142.4526158245.
The spelling of 2890755 in words is "two million, eight hundred ninety thousand, seven hundred fifty-five".
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