Base | Representation |
---|---|
bin | 10001110110010011101010 |
3 | 22210201020020 |
4 | 101312103222 |
5 | 2144211030 |
6 | 244141310 |
7 | 54525036 |
oct | 21662352 |
9 | 8721206 |
10 | 4678890 |
11 | 2706357 |
12 | 1697836 |
13 | c7a898 |
14 | 89b1c6 |
15 | 626510 |
hex | 4764ea |
4678890 has 32 divisors (see below), whose sum is σ = 11719296. Its totient is φ = 1193280.
The previous prime is 4678837. The next prime is 4678901. The reversal of 4678890 is 988764.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2701 + ... + 4080.
It is an arithmetic number, because the mean of its divisors is an integer number (366228).
Almost surely, 24678890 is an apocalyptic number.
4678890 is an abundant number, since it is smaller than the sum of its proper divisors (7040406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4678890 is a wasteful number, since it uses less digits than its factorization.
4678890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6814.
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 4678890 is about 2163.0742012238. The cubic root of 4678890 is about 167.2557068486.
The spelling of 4678890 in words is "four million, six hundred seventy-eight thousand, eight hundred ninety".
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