Search a number
-
+
56135245 = 511227049
BaseRepresentation
bin1101011000100…
…0111001001101
310220121222002011
43112020321031
5103332311440
65323101221
71251066415
oct326107115
9126558064
1056135245
1129761271
1216971811
13b825b2a
147653645
154ddc9ea
hex3588e4d

56135245 has 4 divisors (see below), whose sum is σ = 67362300. Its totient is φ = 44908192.

The previous prime is 56135243. The next prime is 56135251. The reversal of 56135245 is 54253165.

56135245 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 19193161 + 36942084 = 4381^2 + 6078^2 .

It is a cyclic number.

It is not a de Polignac number, because 56135245 - 21 = 56135243 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56135243) 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, 5613520 + ... + 5613529.

It is an arithmetic number, because the mean of its divisors is an integer number (16840575).

Almost surely, 256135245 is an apocalyptic number.

It is an amenable number.

56135245 is a deficient number, since it is larger than the sum of its proper divisors (11227055).

56135245 is a wasteful number, since it uses less digits than its factorization.

56135245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11227054.

The product of its digits is 18000, while the sum is 31.

The square root of 56135245 is about 7492.3457608415. The cubic root of 56135245 is about 382.8939822498.

The spelling of 56135245 in words is "fifty-six million, one hundred thirty-five thousand, two hundred forty-five".

Divisors: 1 5 11227049 56135245