Base | Representation |
---|---|
bin | 111111011011100011010 |
3 | 10220121011010 |
4 | 13323130122 |
5 | 1013002430 |
6 | 112314350 |
7 | 23444511 |
oct | 7733432 |
9 | 3817133 |
10 | 2078490 |
11 | 119a667 |
12 | 8429b6 |
13 | 57a09b |
14 | 3c1678 |
15 | 2b0cb0 |
hex | 1fb71a |
2078490 has 32 divisors (see below), whose sum is σ = 5057280. Its totient is φ = 546624.
The previous prime is 2078473. The next prime is 2078497. The reversal of 2078490 is 948702.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2078497) 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, 1932 + ... + 2808.
It is an arithmetic number, because the mean of its divisors is an integer number (158040).
22078490 is an apocalyptic number.
2078490 is an abundant number, since it is smaller than the sum of its proper divisors (2978790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2078490 is a wasteful number, since it uses less digits than its factorization.
2078490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 966.
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 2078490 is about 1441.6969168310. The cubic root of 2078490 is about 127.6191888150.
The spelling of 2078490 in words is "two million, seventy-eight thousand, four hundred ninety".
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