Search a number
-
+
52781035 = 510556207
BaseRepresentation
bin1100100101010…
…1111111101011
310200022112222011
43021111333223
5102002443120
65123140351
71210426366
oct311257753
9120275864
1052781035
112788019a
12158146b7
13ac201a8
14701d0dd
154978c5a
hex3255feb

52781035 has 4 divisors (see below), whose sum is σ = 63337248. Its totient is φ = 42224824.

The previous prime is 52781023. The next prime is 52781083. The reversal of 52781035 is 53018725.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52781035 - 211 = 52778987 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 Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52780988 and 52781006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5278099 + ... + 5278108.

It is an arithmetic number, because the mean of its divisors is an integer number (15834312).

Almost surely, 252781035 is an apocalyptic number.

52781035 is a deficient number, since it is larger than the sum of its proper divisors (10556213).

52781035 is a wasteful number, since it uses less digits than its factorization.

52781035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10556212.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 52781035 is about 7265.0557465170. The cubic root of 52781035 is about 375.1105688770.

The spelling of 52781035 in words is "fifty-two million, seven hundred eighty-one thousand, thirty-five".

Divisors: 1 5 10556207 52781035