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7225333 = 431131487
BaseRepresentation
bin11011100011111111110101
3111121002021221
4123203333311
53322202313
6414510341
7115262053
oct33437765
914532257
107225333
114095555
1225053b1
13165c95b
14d611d3
1597ac8d
hex6e3ff5

7225333 has 8 divisors (see below), whose sum is σ = 7463808. Its totient is φ = 6990144.

The previous prime is 7225327. The next prime is 7225349. The reversal of 7225333 is 3335227.

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 a de Polignac number, because none of the positive numbers 2k-7225333 is a prime.

It is a Duffinian number.

7225333 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7225298 and 7225307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4116 + ... + 5602.

It is an arithmetic number, because the mean of its divisors is an integer number (932976).

Almost surely, 27225333 is an apocalyptic number.

It is an amenable number.

7225333 is a deficient number, since it is larger than the sum of its proper divisors (238475).

7225333 is a wasteful number, since it uses less digits than its factorization.

7225333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643.

The product of its digits is 3780, while the sum is 25.

The square root of 7225333 is about 2687.9979538683. The cubic root of 7225333 is about 193.3240816685.

The spelling of 7225333 in words is "seven million, two hundred twenty-five thousand, three hundred thirty-three".

Divisors: 1 43 113 1487 4859 63941 168031 7225333