Search a number
-
+
52663823 = 311698833
BaseRepresentation
bin1100100011100…
…1011000001111
310200002121011222
43020321120033
5101440220243
65120433555
71206430562
oct310713017
9120077158
1052663823
1127800123
12157788bb
13ababa34
146dcc4d9
154954168
hex323960f

52663823 has 4 divisors (see below), whose sum is σ = 54362688. Its totient is φ = 50964960.

The previous prime is 52663799. The next prime is 52663837. The reversal of 52663823 is 32836625.

52663823 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-52663823 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52663873) 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, 849386 + ... + 849447.

It is an arithmetic number, because the mean of its divisors is an integer number (13590672).

Almost surely, 252663823 is an apocalyptic number.

52663823 is a deficient number, since it is larger than the sum of its proper divisors (1698865).

52663823 is a wasteful number, since it uses less digits than its factorization.

52663823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698864.

The product of its digits is 51840, while the sum is 35.

The square root of 52663823 is about 7256.9844288106. The cubic root of 52663823 is about 374.8326909946.

The spelling of 52663823 in words is "fifty-two million, six hundred sixty-three thousand, eight hundred twenty-three".

Divisors: 1 31 1698833 52663823