Search a number
-
+
4505140 = 225225257
BaseRepresentation
bin10001001011111000110100
322110212220001
4101023320310
52123131030
6240321044
753202343
oct21137064
98425801
104505140
1125a7862
121613184
13c19783
14853b5a
155decca
hex44be34

4505140 has 12 divisors (see below), whose sum is σ = 9460836. Its totient is φ = 1802048.

The previous prime is 4505131. The next prime is 4505141. The reversal of 4505140 is 415054.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 3709476 = 892^2 + 1926^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4505141) 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 3 ways as a sum of consecutive naturals, for example, 112609 + ... + 112648.

It is an arithmetic number, because the mean of its divisors is an integer number (788403).

Almost surely, 24505140 is an apocalyptic number.

It is an amenable number.

4505140 is an abundant number, since it is smaller than the sum of its proper divisors (4955696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4505140 is a wasteful number, since it uses less digits than its factorization.

4505140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225266 (or 225264 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4505140 is about 2122.5315074222. The cubic root of 4505140 is about 165.1591974383.

The spelling of 4505140 in words is "four million, five hundred five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 225257 450514 901028 1126285 2252570 4505140