Search a number
-
+
54103540 = 22522911813
BaseRepresentation
bin1100111001100…
…0110111110100
310202210202002211
43032120313310
5102322303130
65211343204
71224605161
oct316306764
9122722084
1054103540
11285a3877
1216151b04
13b29413a
147285068
154b3aa2a
hex3398df4

54103540 has 24 divisors (see below), whose sum is σ = 114123240. Its totient is φ = 21545088.

The previous prime is 54103487. The next prime is 54103549. The reversal of 54103540 is 4530145.

It can be written as a sum of positive squares in 4 ways, for example, as 13704804 + 40398736 = 3702^2 + 6356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54103549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327 + ... + 10486.

It is an arithmetic number, because the mean of its divisors is an integer number (4755135).

Almost surely, 254103540 is an apocalyptic number.

It is an amenable number.

54103540 is an abundant number, since it is smaller than the sum of its proper divisors (60019700).

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

54103540 is a wasteful number, since it uses less digits than its factorization.

54103540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12051 (or 12049 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 54103540 is about 7355.5108592130. The cubic root of 54103540 is about 378.2177389268.

Adding to 54103540 its reverse (4530145), we get a palindrome (58633685).

The spelling of 54103540 in words is "fifty-four million, one hundred three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 229 458 916 1145 2290 4580 11813 23626 47252 59065 118130 236260 2705177 5410354 10820708 13525885 27051770 54103540