Search a number
-
+
7040135 = 51408027
BaseRepresentation
bin11010110110110010000111
3111020200020202
4122312302013
53300241020
6410521115
7113561114
oct32666207
914220222
107040135
113a793a3
12243619b
1315c657b
14d1390b
15940e75
hex6b6c87

7040135 has 4 divisors (see below), whose sum is σ = 8448168. Its totient is φ = 5632104.

The previous prime is 7040129. The next prime is 7040171. The reversal of 7040135 is 5310407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5310407 = 25121157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7040135 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 704009 + ... + 704018.

It is an arithmetic number, because the mean of its divisors is an integer number (2112042).

Almost surely, 27040135 is an apocalyptic number.

7040135 is a deficient number, since it is larger than the sum of its proper divisors (1408033).

7040135 is a wasteful number, since it uses less digits than its factorization.

7040135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408032.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 7040135 is about 2653.3252721821. The cubic root of 7040135 is about 191.6580193536.

The spelling of 7040135 in words is "seven million, forty thousand, one hundred thirty-five".

Divisors: 1 5 1408027 7040135