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7290401 is a prime number
BaseRepresentation
bin11011110011111000100001
3111201101112212
4123303320201
53331243101
6420131505
7115652546
oct33637041
914641485
107290401
11412a428
122536b95
131683461
14d7abcd
159901bb
hex6f3e21

7290401 has 2 divisors, whose sum is σ = 7290402. Its totient is φ = 7290400.

The previous prime is 7290391. The next prime is 7290403. The reversal of 7290401 is 1040927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6027025 + 1263376 = 2455^2 + 1124^2 .

It is a cyclic number.

It is not a de Polignac number, because 7290401 - 210 = 7289377 is a prime.

Together with 7290403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7290403) 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 as a sum of consecutive naturals, namely, 3645200 + 3645201.

It is an arithmetic number, because the mean of its divisors is an integer number (3645201).

Almost surely, 27290401 is an apocalyptic number.

It is an amenable number.

7290401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7290401 is an equidigital number, since it uses as much as digits as its factorization.

7290401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 7290401 is about 2700.0742582381. The cubic root of 7290401 is about 193.9026772982.

The spelling of 7290401 in words is "seven million, two hundred ninety thousand, four hundred one".