Search a number
-
+
568942405 = 5113788481
BaseRepresentation
bin100001111010010…
…101111101000101
31110122120021020221
4201322111331011
52131122124110
6132242224341
720045634133
oct4172257505
91418507227
10568942405
11272175939
1213a6550b1
1390b43415
14557c0753
1534e357da
hex21e95f45

568942405 has 4 divisors (see below), whose sum is σ = 682730892. Its totient is φ = 455153920.

The previous prime is 568942399. The next prime is 568942427. The reversal of 568942405 is 504249865.

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 438023041 + 130919364 = 20929^2 + 11442^2 .

It is not a de Polignac number, because 568942405 - 25 = 568942373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56894236 + ... + 56894245.

It is an arithmetic number, because the mean of its divisors is an integer number (170682723).

Almost surely, 2568942405 is an apocalyptic number.

It is an amenable number.

568942405 is a deficient number, since it is larger than the sum of its proper divisors (113788487).

568942405 is a wasteful number, since it uses less digits than its factorization.

568942405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113788486.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 568942405 is about 23852.5135991996. The cubic root of 568942405 is about 828.6213164501.

The spelling of 568942405 in words is "five hundred sixty-eight million, nine hundred forty-two thousand, four hundred five".

Divisors: 1 5 113788481 568942405