Search a number
-
+
53168345 = 510633669
BaseRepresentation
bin1100101011010…
…0100011011001
310201001020020222
43022310203121
5102102341340
65135325425
71213631516
oct312644331
9121036228
1053168345
112801518a
1215980875
13b027579
1470c030d
154a038b5
hex32b48d9

53168345 has 4 divisors (see below), whose sum is σ = 63802020. Its totient is φ = 42534672.

The previous prime is 53168293. The next prime is 53168351. The reversal of 53168345 is 54386135.

53168345 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, and also an emirpimes, since its reverse is a distinct semiprime: 54386135 = 510877227.

It can be written as a sum of positive squares in 2 ways, for example, as 23921881 + 29246464 = 4891^2 + 5408^2 .

It is a cyclic number.

It is not a de Polignac number, because 53168345 - 214 = 53151961 is a prime.

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, 5316830 + ... + 5316839.

It is an arithmetic number, because the mean of its divisors is an integer number (15950505).

Almost surely, 253168345 is an apocalyptic number.

It is an amenable number.

53168345 is a deficient number, since it is larger than the sum of its proper divisors (10633675).

53168345 is a wasteful number, since it uses less digits than its factorization.

53168345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10633674.

The product of its digits is 43200, while the sum is 35.

The square root of 53168345 is about 7291.6627047608. The cubic root of 53168345 is about 376.0258606968.

The spelling of 53168345 in words is "fifty-three million, one hundred sixty-eight thousand, three hundred forty-five".

Divisors: 1 5 10633669 53168345