Search a number
-
+
52580765 = 510516153
BaseRepresentation
bin1100100010010…
…1000110011101
310122221101020202
43020211012131
5101430041030
65114553245
71205633456
oct310450635
9118841222
1052580765
1127753786
1215738825
13ab7cca3
146daa12d
154939745
hex322519d

52580765 has 4 divisors (see below), whose sum is σ = 63096924. Its totient is φ = 42064608.

The previous prime is 52580761. The next prime is 52580777. The reversal of 52580765 is 56708525.

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 16556761 + 36024004 = 4069^2 + 6002^2 .

It is a cyclic number.

It is not a de Polignac number, because 52580765 - 22 = 52580761 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 (52580761) 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, 5258072 + ... + 5258081.

It is an arithmetic number, because the mean of its divisors is an integer number (15774231).

Almost surely, 252580765 is an apocalyptic number.

It is an amenable number.

52580765 is a deficient number, since it is larger than the sum of its proper divisors (10516159).

52580765 is a wasteful number, since it uses less digits than its factorization.

52580765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10516158.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 52580765 is about 7251.2595457617. The cubic root of 52580765 is about 374.6355332929.

The spelling of 52580765 in words is "fifty-two million, five hundred eighty thousand, seven hundred sixty-five".

Divisors: 1 5 10516153 52580765