Search a number
-
+
52775369 = 192777651
BaseRepresentation
bin1100100101010…
…0100111001001
310200022021012022
43021110213021
5102002302434
65123054225
71210404023
oct311244711
9120267168
1052775369
1127876a09
1215811375
13ac1a73a
14701b013
15497722e
hex32549c9

52775369 has 4 divisors (see below), whose sum is σ = 55553040. Its totient is φ = 49997700.

The previous prime is 52775341. The next prime is 52775383. The reversal of 52775369 is 96357725.

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 a de Polignac number, because none of the positive numbers 2k-52775369 is a prime.

It is a super-2 number, since 2×527753692 = 5570479146172322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52775069) 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, 1388807 + ... + 1388844.

It is an arithmetic number, because the mean of its divisors is an integer number (13888260).

Almost surely, 252775369 is an apocalyptic number.

It is an amenable number.

52775369 is a deficient number, since it is larger than the sum of its proper divisors (2777671).

52775369 is a wasteful number, since it uses less digits than its factorization.

52775369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777670.

The product of its digits is 396900, while the sum is 44.

The square root of 52775369 is about 7264.6657872197. The cubic root of 52775369 is about 375.0971457946.

The spelling of 52775369 in words is "fifty-two million, seven hundred seventy-five thousand, three hundred sixty-nine".

Divisors: 1 19 2777651 52775369