Search a number
-
+
7140012 = 2231154091
BaseRepresentation
bin11011001111001010101100
3111102202020220
4123033022230
53311440022
6413011340
7114455235
oct33171254
914382226
107140012
114037440
122483b50
13162cb79
14d3c08c
1596085c
hex6cf2ac

7140012 has 24 divisors (see below), whose sum is σ = 18174912. Its totient is φ = 2163600.

The previous prime is 7140011. The next prime is 7140031. The reversal of 7140012 is 2100417.

7140012 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 7139973 and 7140000.

It is not an unprimeable number, because it can be changed into a prime (7140011) 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 7 ways as a sum of consecutive naturals, for example, 26914 + ... + 27177.

It is an arithmetic number, because the mean of its divisors is an integer number (757288).

Almost surely, 27140012 is an apocalyptic number.

It is an amenable number.

7140012 is an abundant number, since it is smaller than the sum of its proper divisors (11034900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7140012 is a wasteful number, since it uses less digits than its factorization.

7140012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54109 (or 54107 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 7140012 is about 2672.0800886201. The cubic root of 7140012 is about 192.5601049171.

Adding to 7140012 its reverse (2100417), we get a palindrome (9240429).

The spelling of 7140012 in words is "seven million, one hundred forty thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 54091 108182 162273 216364 324546 595001 649092 1190002 1785003 2380004 3570006 7140012