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56340049 = 526110709
BaseRepresentation
bin1101011011101…
…0111001010001
310221000101000111
43112322321101
5103410340144
65331321321
71252611463
oct326727121
9127011014
1056340049
1129891127
1216a50241
13b89810c
1476a8133
154e2d534
hex35bae51

56340049 has 4 divisors (see below), whose sum is σ = 56356020. Its totient is φ = 56324080.

The previous prime is 56340047. The next prime is 56340059. The reversal of 56340049 is 94004365.

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 49280400 + 7059649 = 7020^2 + 2657^2 .

It is a cyclic number.

It is not a de Polignac number, because 56340049 - 21 = 56340047 is a prime.

It is a super-2 number, since 2×563400492 = 6348402242644802, which contains 22 as substring.

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 Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56340049.

It is not an unprimeable number, because it can be changed into a prime (56340043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94 + ... + 10615.

It is an arithmetic number, because the mean of its divisors is an integer number (14089005).

Almost surely, 256340049 is an apocalyptic number.

It is an amenable number.

56340049 is a deficient number, since it is larger than the sum of its proper divisors (15971).

56340049 is a wasteful number, since it uses less digits than its factorization.

56340049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15970.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 56340049 is about 7506.0008659738. Note that the first 3 decimals coincide. The cubic root of 56340049 is about 383.3590676275.

The spelling of 56340049 in words is "fifty-six million, three hundred forty thousand, forty-nine".

Divisors: 1 5261 10709 56340049