Search a number
-
+
7013087 = 54712821
BaseRepresentation
bin11010110000001011011111
3111012022010222
4122300023133
53243404322
6410151555
7113416214
oct32601337
914168128
107013087
113a60044
1224225bb
1315b7173
14d07b0b
15937e42
hex6b02df

7013087 has 4 divisors (see below), whose sum is σ = 7026456. Its totient is φ = 6999720.

The previous prime is 7013077. The next prime is 7013093. The reversal of 7013087 is 7803107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7803107 = 13600239.

It is a cyclic number.

It is not a de Polignac number, because 7013087 - 210 = 7012063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7013057) 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, 5864 + ... + 6957.

It is an arithmetic number, because the mean of its divisors is an integer number (1756614).

Almost surely, 27013087 is an apocalyptic number.

7013087 is a deficient number, since it is larger than the sum of its proper divisors (13369).

7013087 is a wasteful number, since it uses less digits than its factorization.

7013087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13368.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 7013087 is about 2648.2233667121. The cubic root of 7013087 is about 191.4122561120.

The spelling of 7013087 in words is "seven million, thirteen thousand, eighty-seven".

Divisors: 1 547 12821 7013087