Search a number
-
+
56263729 = 3110916651
BaseRepresentation
bin1101011010100…
…0010000110001
310220212111022211
43112220100301
5103400414404
65325532121
71252143124
oct326502061
9126774284
1056263729
1129839855
1216a14041
13b86c462
1476883bb
154e15b04
hex35a8431

56263729 has 8 divisors (see below), whose sum is σ = 58615040. Its totient is φ = 53946000.

The previous prime is 56263723. The next prime is 56263733. The reversal of 56263729 is 92736265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56263729 - 27 = 56263601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56263691 and 56263700.

It is not an unprimeable number, because it can be changed into a prime (56263723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4947 + ... + 11704.

It is an arithmetic number, because the mean of its divisors is an integer number (7326880).

Almost surely, 256263729 is an apocalyptic number.

It is an amenable number.

56263729 is a deficient number, since it is larger than the sum of its proper divisors (2351311).

56263729 is a wasteful number, since it uses less digits than its factorization.

56263729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16791.

The product of its digits is 136080, while the sum is 40.

The square root of 56263729 is about 7500.9152108259. The cubic root of 56263729 is about 383.1858859935.

The spelling of 56263729 in words is "fifty-six million, two hundred sixty-three thousand, seven hundred twenty-nine".

Divisors: 1 31 109 3379 16651 516181 1814959 56263729