Search a number
-
+
52944469 = 192786551
BaseRepresentation
bin1100100111110…
…1111001010101
310200121212011021
43021331321111
5102023210334
65130441141
71212010024
oct311757125
9120555137
1052944469
1127981a66
12158931b1
13ac796b6
1470628bb
1549ac3b4
hex327de55

52944469 has 4 divisors (see below), whose sum is σ = 55731040. Its totient is φ = 50157900.

The previous prime is 52944449. The next prime is 52944499. The reversal of 52944469 is 96444925.

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 a cyclic number.

It is not a de Polignac number, because 52944469 - 213 = 52936277 is a prime.

It is a super-2 number, since 2×529444692 = 5606233595383922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52944439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393257 + ... + 1393294.

It is an arithmetic number, because the mean of its divisors is an integer number (13932760).

Almost surely, 252944469 is an apocalyptic number.

It is an amenable number.

52944469 is a deficient number, since it is larger than the sum of its proper divisors (2786571).

52944469 is a wasteful number, since it uses less digits than its factorization.

52944469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786570.

The product of its digits is 311040, while the sum is 43.

The square root of 52944469 is about 7276.2950050146. The cubic root of 52944469 is about 375.4973407069.

The spelling of 52944469 in words is "fifty-two million, nine hundred forty-four thousand, four hundred sixty-nine".

Divisors: 1 19 2786551 52944469