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52307245 = 510461449
BaseRepresentation
bin1100011110001…
…0010100101101
310122102111001101
43013202110231
5101342312440
65105043101
71203414154
oct307422455
9118374041
1052307245
1127587231
1215626491
13aab5643
146d3859b
1548d369a
hex31e252d

52307245 has 4 divisors (see below), whose sum is σ = 62768700. Its totient is φ = 41845792.

The previous prime is 52307231. The next prime is 52307251. The reversal of 52307245 is 54270325.

52307245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40182921 + 12124324 = 6339^2 + 3482^2 .

It is a cyclic number.

It is not a de Polignac number, because 52307245 - 27 = 52307117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5230720 + ... + 5230729.

It is an arithmetic number, because the mean of its divisors is an integer number (15692175).

Almost surely, 252307245 is an apocalyptic number.

It is an amenable number.

52307245 is a deficient number, since it is larger than the sum of its proper divisors (10461455).

52307245 is a wasteful number, since it uses less digits than its factorization.

52307245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10461454.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 52307245 is about 7232.3747828773. The cubic root of 52307245 is about 373.9847978226.

The spelling of 52307245 in words is "fifty-two million, three hundred seven thousand, two hundred forty-five".

Divisors: 1 5 10461449 52307245