Search a number
-
+
7020216 = 233374643
BaseRepresentation
bin11010110001111010111000
3111012122221000
4122301322320
53244121331
6410245000
7113446050
oct32617270
914178830
107020216
113a65435
122426760
1315ba498
14d0a560
1593a0e6
hex6b1eb8

7020216 has 64 divisors (see below), whose sum is σ = 22291200. Its totient is φ = 2005344.

The previous prime is 7020199. The next prime is 7020227. The reversal of 7020216 is 6120207.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam 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 15 ways as a sum of consecutive naturals, for example, 810 + ... + 3833.

It is an arithmetic number, because the mean of its divisors is an integer number (348300).

Almost surely, 27020216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7020216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11145600).

7020216 is an abundant number, since it is smaller than the sum of its proper divisors (15270984).

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

7020216 is a wasteful number, since it uses less digits than its factorization.

7020216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665 (or 4655 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 7020216 is about 2649.5690215580. The cubic root of 7020216 is about 191.4770927931.

Subtracting from 7020216 its reverse (6120207), we obtain a palindrome (900009).

The spelling of 7020216 in words is "seven million, twenty thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 108 126 168 189 216 252 378 504 756 1512 4643 9286 13929 18572 27858 32501 37144 41787 55716 65002 83574 97503 111432 125361 130004 167148 195006 250722 260008 292509 334296 390012 501444 585018 780024 877527 1002888 1170036 1755054 2340072 3510108 7020216