Search a number
-
+
2804938 = 229137353
BaseRepresentation
bin1010101100110011001010
312021111122121
422230303022
51204224223
6140041454
732561443
oct12546312
95244577
102804938
111646434
12b3328a
13772936
145302ca
153a615d
hex2accca

2804938 has 16 divisors (see below), whose sum is σ = 4396680. Its totient is φ = 1340416.

The previous prime is 2804927. The next prime is 2804939. The reversal of 2804938 is 8394082.

2804938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2411809 + 393129 = 1553^2 + 627^2 .

It is not an unprimeable number, because it can be changed into a prime (2804939) 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, 7770 + ... + 8122.

22804938 is an apocalyptic number.

2804938 is a deficient number, since it is larger than the sum of its proper divisors (1591742).

2804938 is a wasteful number, since it uses less digits than its factorization.

2804938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2804938 is about 1674.7949128177. The cubic root of 2804938 is about 141.0287820794.

The spelling of 2804938 in words is "two million, eight hundred four thousand, nine hundred thirty-eight".

Divisors: 1 2 29 58 137 274 353 706 3973 7946 10237 20474 48361 96722 1402469 2804938