Search a number
-
+
7225329 = 312171979
BaseRepresentation
bin11011100011111111110001
3111121002021210
4123203333301
53322202304
6414510333
7115262046
oct33437761
914532253
107225329
114095551
1225053a9
13165c957
14d611cd
1597ac89
hex6e3ff1

7225329 has 8 divisors (see below), whose sum is σ = 9646560. Its totient is φ = 4810496.

The previous prime is 7225327. The next prime is 7225349. The reversal of 7225329 is 9235227.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7225329 - 21 = 7225327 is a prime.

7225329 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7225296 and 7225305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2662 + ... + 4640.

It is an arithmetic number, because the mean of its divisors is an integer number (1205820).

Almost surely, 27225329 is an apocalyptic number.

It is an amenable number.

7225329 is a deficient number, since it is larger than the sum of its proper divisors (2421231).

7225329 is a wasteful number, since it uses less digits than its factorization.

7225329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199.

The product of its digits is 7560, while the sum is 30.

The square root of 7225329 is about 2687.9972098200. The cubic root of 7225329 is about 193.3240459933.

The spelling of 7225329 in words is "seven million, two hundred twenty-five thousand, three hundred twenty-nine".

Divisors: 1 3 1217 1979 3651 5937 2408443 7225329