Search a number
-
+
53065361 = 269197269
BaseRepresentation
bin1100101001101…
…1011010010001
310200211222222202
43022123122101
5102041042421
65133212545
71213022336
oct312333221
9120758882
1053065361
1127a54878
1215931155
13acbc72b
14709498d
1549d310b
hex329b691

53065361 has 4 divisors (see below), whose sum is σ = 53262900. Its totient is φ = 52867824.

The previous prime is 53065343. The next prime is 53065391. The reversal of 53065361 is 16356035.

53065361 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 6225025 + 46840336 = 2495^2 + 6844^2 .

It is a cyclic number.

It is not a de Polignac number, because 53065361 - 26 = 53065297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53065391) by changing a digit.

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, 98366 + ... + 98903.

It is an arithmetic number, because the mean of its divisors is an integer number (13315725).

Almost surely, 253065361 is an apocalyptic number.

It is an amenable number.

53065361 is a deficient number, since it is larger than the sum of its proper divisors (197539).

53065361 is a wasteful number, since it uses less digits than its factorization.

53065361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197538.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 53065361 is about 7284.5975180514. The cubic root of 53065361 is about 375.7829236845.

The spelling of 53065361 in words is "fifty-three million, sixty-five thousand, three hundred sixty-one".

Divisors: 1 269 197269 53065361