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7252029 = 321316151
BaseRepresentation
bin11011101010100000111101
3111122102220200
4123222200331
53324031104
6415234113
7115432641
oct33524075
914572820
107252029
114103614
122518939
13166bb55
14d6ac21
15983b39
hex6ea83d

7252029 has 12 divisors (see below), whose sum is σ = 10556832. Its totient is φ = 4797000.

The previous prime is 7252027. The next prime is 7252031. The reversal of 7252029 is 9202527.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7252027) and next prime (7252031).

It is not a de Polignac number, because 7252029 - 21 = 7252027 is a prime.

7252029 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7251993 and 7252011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7252027) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1897 + ... + 4254.

It is an arithmetic number, because the mean of its divisors is an integer number (879736).

Almost surely, 27252029 is an apocalyptic number.

It is an amenable number.

7252029 is a deficient number, since it is larger than the sum of its proper divisors (3304803).

7252029 is a wasteful number, since it uses less digits than its factorization.

7252029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6288 (or 6285 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 7252029 is about 2692.9591530508. The cubic root of 7252029 is about 193.5618855398.

The spelling of 7252029 in words is "seven million, two hundred fifty-two thousand, twenty-nine".

Divisors: 1 3 9 131 393 1179 6151 18453 55359 805781 2417343 7252029