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7290117 = 32810013
BaseRepresentation
bin11011110011110100000101
3111201101011100
4123303310011
53331240432
6420130313
7115651662
oct33636405
914641140
107290117
11412a19a
122536999
1316832a3
14d7aa69
1599007c
hex6f3d05

7290117 has 6 divisors (see below), whose sum is σ = 10530182. Its totient is φ = 4860072.

The previous prime is 7290089. The next prime is 7290119. The reversal of 7290117 is 7110927.

It can be written as a sum of positive squares in only one way, i.e., 5022081 + 2268036 = 2241^2 + 1506^2 .

It is not a de Polignac number, because 7290117 - 28 = 7289861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7290119) 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 5 ways as a sum of consecutive naturals, for example, 404998 + ... + 405015.

Almost surely, 27290117 is an apocalyptic number.

It is an amenable number.

7290117 is a deficient number, since it is larger than the sum of its proper divisors (3240065).

7290117 is a wasteful number, since it uses less digits than its factorization.

7290117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810019 (or 810016 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 7290117 is about 2700.0216665797. The cubic root of 7290117 is about 193.9001594177.

The spelling of 7290117 in words is "seven million, two hundred ninety thousand, one hundred seventeen".

Divisors: 1 3 9 810013 2430039 7290117