Search a number
-
+
52307413 = 82963097
BaseRepresentation
bin1100011110001…
…0010111010101
310122102111021121
43013202113111
5101342314123
65105043541
71203414514
oct307422725
9118374247
1052307413
1127587374
12156265b1
13aab5742
146d3867b
1548d375d
hex31e25d5

52307413 has 4 divisors (see below), whose sum is σ = 52371340. Its totient is φ = 52243488.

The previous prime is 52307389. The next prime is 52307429. The reversal of 52307413 is 31470325.

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 10614564 + 41692849 = 3258^2 + 6457^2 .

It is a cyclic number.

It is not a de Polignac number, because 52307413 - 221 = 50210261 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 (52307443) 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, 30720 + ... + 32377.

It is an arithmetic number, because the mean of its divisors is an integer number (13092835).

Almost surely, 252307413 is an apocalyptic number.

It is an amenable number.

52307413 is a deficient number, since it is larger than the sum of its proper divisors (63927).

52307413 is an equidigital number, since it uses as much as digits as its factorization.

52307413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63926.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 52307413 is about 7232.3863973104. The cubic root of 52307413 is about 373.9851982093.

Adding to 52307413 its reverse (31470325), we get a palindrome (83777738).

The spelling of 52307413 in words is "fifty-two million, three hundred seven thousand, four hundred thirteen".

Divisors: 1 829 63097 52307413