Base | Representation |
---|---|
bin | 1011000011010001111100 |
3 | 12110011222001 |
4 | 23003101330 |
5 | 1220201040 |
6 | 142032044 |
7 | 33424060 |
oct | 13032174 |
9 | 5404861 |
10 | 2897020 |
11 | 16a9635 |
12 | b78624 |
13 | 7a5819 |
14 | 555aa0 |
15 | 3c359a |
hex | 2c347c |
2897020 has 24 divisors (see below), whose sum is σ = 6953184. Its totient is φ = 993216.
The previous prime is 2897003. The next prime is 2897023. The reversal of 2897020 is 207982.
2897020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a self number, because there is not a number n which added to its sum of digits gives 2897020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2897023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10207 + ... + 10486.
It is an arithmetic number, because the mean of its divisors is an integer number (289716).
22897020 is an apocalyptic number.
2897020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2897020 is an abundant number, since it is smaller than the sum of its proper divisors (4056164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2897020 is a wasteful number, since it uses less digits than its factorization.
2897020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20709 (or 20707 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 2897020 is about 1702.0634535763. The cubic root of 2897020 is about 142.5554518979. Note that the first 3 decimals are identical.
The spelling of 2897020 in words is "two million, eight hundred ninety-seven thousand, twenty".
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