Base | Representation |
---|---|
bin | 10010010001011001000110 |
3 | 100000100102010 |
4 | 102101121012 |
5 | 2211233310 |
6 | 250355050 |
7 | 55466343 |
oct | 22213106 |
9 | 10010363 |
10 | 4789830 |
11 | 2781741 |
12 | 172ba86 |
13 | cb9226 |
14 | 8c97ca |
15 | 649320 |
hex | 491646 |
4789830 has 32 divisors (see below), whose sum is σ = 11672064. Its totient is φ = 1257696.
The previous prime is 4789823. The next prime is 4789831. The reversal of 4789830 is 389874.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4789831) 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, 819 + ... + 3201.
It is an arithmetic number, because the mean of its divisors is an integer number (364752).
Almost surely, 24789830 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4789830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5836032).
4789830 is an abundant number, since it is smaller than the sum of its proper divisors (6882234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4789830 is a wasteful number, since it uses less digits than its factorization.
4789830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2460.
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 4789830 is about 2188.5680249880. The cubic root of 4789830 is about 168.5673139582.
The spelling of 4789830 in words is "four million, seven hundred eighty-nine thousand, eight hundred thirty".
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