Search a number
-
+
52768253 = 371426169
BaseRepresentation
bin1100100101001…
…0110111111101
310200021220102202
43021102313331
5102002041003
65123001245
71210344206
oct311226775
9120256382
1052768253
112787162a
1215809225
13ac17425
1470185ad
154975088
hex3252dfd

52768253 has 4 divisors (see below), whose sum is σ = 54194460. Its totient is φ = 51342048.

The previous prime is 52768237. The next prime is 52768283. The reversal of 52768253 is 35286725.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31956409 + 20811844 = 5653^2 + 4562^2 .

It is a cyclic number.

It is not a de Polignac number, because 52768253 - 24 = 52768237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52768283) 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, 713048 + ... + 713121.

It is an arithmetic number, because the mean of its divisors is an integer number (13548615).

Almost surely, 252768253 is an apocalyptic number.

It is an amenable number.

52768253 is a deficient number, since it is larger than the sum of its proper divisors (1426207).

52768253 is a wasteful number, since it uses less digits than its factorization.

52768253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426206.

The product of its digits is 100800, while the sum is 38.

The square root of 52768253 is about 7264.1760028237. The cubic root of 52768253 is about 375.0802862172.

The spelling of 52768253 in words is "fifty-two million, seven hundred sixty-eight thousand, two hundred fifty-three".

Divisors: 1 37 1426169 52768253