Search a number
-
+
52404233 = 77486319
BaseRepresentation
bin1100011111101…
…0000000001001
310122121102002112
43013322000021
5101403413413
65111112105
71204300010
oct307720011
9118542075
1052404233
1127643092
1215672635
13ab1a82b
146d61a77
1549022a8
hex31fa009

52404233 has 4 divisors (see below), whose sum is σ = 59890560. Its totient is φ = 44917908.

The previous prime is 52404203. The next prime is 52404239. The reversal of 52404233 is 33240425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52404233 - 26 = 52404169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52404199 and 52404208.

It is not an unprimeable number, because it can be changed into a prime (52404239) 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, 3743153 + ... + 3743166.

It is an arithmetic number, because the mean of its divisors is an integer number (14972640).

Almost surely, 252404233 is an apocalyptic number.

It is an amenable number.

52404233 is a deficient number, since it is larger than the sum of its proper divisors (7486327).

52404233 is an equidigital number, since it uses as much as digits as its factorization.

52404233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486326.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 52404233 is about 7239.0768057812. The cubic root of 52404233 is about 374.2158024194.

Adding to 52404233 its reverse (33240425), we get a palindrome (85644658).

The spelling of 52404233 in words is "fifty-two million, four hundred four thousand, two hundred thirty-three".

Divisors: 1 7 7486319 52404233