Search a number
-
+
7228194 = 231204699
BaseRepresentation
bin11011100100101100100010
3111121020012220
4123210230202
53322300234
6414531510
7115303311
oct33445442
914536186
107228194
114097716
122506b96
13166104c
14d62278
1597ba49
hex6e4b22

7228194 has 8 divisors (see below), whose sum is σ = 14456400. Its totient is φ = 2409396.

The previous prime is 7228183. The next prime is 7228201. The reversal of 7228194 is 4918227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

7228194 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602344 + ... + 602355.

It is an arithmetic number, because the mean of its divisors is an integer number (1807050).

Almost surely, 27228194 is an apocalyptic number.

7228194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7228194 is a wasteful number, since it uses less digits than its factorization.

7228194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204704.

The product of its digits is 8064, while the sum is 33.

The square root of 7228194 is about 2688.5300816617. The cubic root of 7228194 is about 193.3495950121.

Adding to 7228194 its sum of digits (33), we get a palindrome (7228227).

The spelling of 7228194 in words is "seven million, two hundred twenty-eight thousand, one hundred ninety-four".

Divisors: 1 2 3 6 1204699 2409398 3614097 7228194