Search a number
-
+
52443113 = 173084889
BaseRepresentation
bin1100100000001…
…1011111101001
310122200101102112
43020003133221
5101411134423
65112012105
71204521242
oct310033751
9118611375
1052443113
112766a318
1215691035
13ab32438
146d71cc9
15490da78
hex32037e9

52443113 has 4 divisors (see below), whose sum is σ = 55528020. Its totient is φ = 49358208.

The previous prime is 52443109. The next prime is 52443119. The reversal of 52443113 is 31134425.

52443113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15147664 + 37295449 = 3892^2 + 6107^2 .

It is not a de Polignac number, because 52443113 - 22 = 52443109 is a prime.

It is a super-2 number, since 2×524431132 = 5500560202261538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52443119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542428 + ... + 1542461.

It is an arithmetic number, because the mean of its divisors is an integer number (13882005).

Almost surely, 252443113 is an apocalyptic number.

It is an amenable number.

52443113 is a deficient number, since it is larger than the sum of its proper divisors (3084907).

52443113 is a wasteful number, since it uses less digits than its factorization.

52443113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084906.

The product of its digits is 1440, while the sum is 23.

The square root of 52443113 is about 7241.7617331696. The cubic root of 52443113 is about 374.3083262025.

Adding to 52443113 its reverse (31134425), we get a palindrome (83577538).

The spelling of 52443113 in words is "fifty-two million, four hundred forty-three thousand, one hundred thirteen".

Divisors: 1 17 3084889 52443113