Search a number
-
+
52400203 = 73717811
BaseRepresentation
bin1100011111100…
…1000001001011
310122121012120021
43013321001023
5101403301303
65111041311
71204252162
oct307710113
9118535507
1052400203
1127640059
1215670237
13ab18a4b
146d603d9
154900ebd
hex31f904b

52400203 has 4 divisors (see below), whose sum is σ = 53118088. Its totient is φ = 51682320.

The previous prime is 52400197. The next prime is 52400213. The reversal of 52400203 is 30200425.

52400203 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52400203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52400213) 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, 358833 + ... + 358978.

It is an arithmetic number, because the mean of its divisors is an integer number (13279522).

Almost surely, 252400203 is an apocalyptic number.

52400203 is a deficient number, since it is larger than the sum of its proper divisors (717885).

52400203 is an equidigital number, since it uses as much as digits as its factorization.

52400203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717884.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 52400203 is about 7238.7984500192. The cubic root of 52400203 is about 374.2062095026.

Adding to 52400203 its reverse (30200425), we get a palindrome (82600628).

The spelling of 52400203 in words is "fifty-two million, four hundred thousand, two hundred three".

Divisors: 1 73 717811 52400203