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7390129 is a prime number
BaseRepresentation
bin11100001100001110110001
3111220110100111
4130030032301
53342441004
6422221321
7116546365
oct34141661
914813314
107390129
11419834a
122584841
1316b9976
14da52a5
159aea04
hex70c3b1

7390129 has 2 divisors, whose sum is σ = 7390130. Its totient is φ = 7390128.

The previous prime is 7390111. The next prime is 7390151. The reversal of 7390129 is 9210937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7011904 + 378225 = 2648^2 + 615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7390129 is a prime.

It is a super-2 number, since 2×73901292 = 109228013273282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7390129.

It is not a weakly prime, because it can be changed into another prime (7390729) 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 as a sum of consecutive naturals, namely, 3695064 + 3695065.

It is an arithmetic number, because the mean of its divisors is an integer number (3695065).

Almost surely, 27390129 is an apocalyptic number.

It is an amenable number.

7390129 is a deficient number, since it is larger than the sum of its proper divisors (1).

7390129 is an equidigital number, since it uses as much as digits as its factorization.

7390129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 7390129 is about 2718.4791704186. The cubic root of 7390129 is about 194.7828307709.

The spelling of 7390129 in words is "seven million, three hundred ninety thousand, one hundred twenty-nine".