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7252227 = 331132377
BaseRepresentation
bin11011101010100100000011
3111122110012000
4123222210003
53324032402
6415235043
7115433343
oct33524403
914573160
107252227
114103784
122518a83
13166bc78
14d6ad23
15983c1c
hex6ea903

7252227 has 16 divisors (see below), whose sum is σ = 10843680. Its totient is φ = 4790016.

The previous prime is 7252207. The next prime is 7252237. The reversal of 7252227 is 7222527.

It is a happy number.

It is not a de Polignac number, because 7252227 - 214 = 7235843 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 75 + 28 + 59 + 211 + 218 + 222 + 77 .

7252227 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7252227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7252207) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1863 + ... + 4239.

It is an arithmetic number, because the mean of its divisors is an integer number (677730).

Almost surely, 27252227 is an apocalyptic number.

7252227 is a deficient number, since it is larger than the sum of its proper divisors (3591453).

7252227 is a wasteful number, since it uses less digits than its factorization.

7252227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499 (or 2493 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 7252227 is about 2692.9959153330. The cubic root of 7252227 is about 193.5636471113.

The spelling of 7252227 in words is "seven million, two hundred fifty-two thousand, two hundred twenty-seven".

Divisors: 1 3 9 27 113 339 1017 2377 3051 7131 21393 64179 268601 805803 2417409 7252227