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7982201 is a prime number
BaseRepresentation
bin11110011100110001111001
3120000112112002
4132130301321
54020412301
6443030345
7124563503
oct36346171
916015462
107982201
114562167
12280b3b5
1318662c6
1410bad73
15a7a16b
hex79cc79

7982201 has 2 divisors, whose sum is σ = 7982202. Its totient is φ = 7982200.

The previous prime is 7982153. The next prime is 7982203. The reversal of 7982201 is 1022897.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7974976 + 7225 = 2824^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 7982201 - 26 = 7982137 is a prime.

Together with 7982203, 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 (7982203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3991100 + 3991101.

It is an arithmetic number, because the mean of its divisors is an integer number (3991101).

Almost surely, 27982201 is an apocalyptic number.

It is an amenable number.

7982201 is a deficient number, since it is larger than the sum of its proper divisors (1).

7982201 is an equidigital number, since it uses as much as digits as its factorization.

7982201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 7982201 is about 2825.2789242834. The cubic root of 7982201 is about 199.8515648623.

The spelling of 7982201 in words is "seven million, nine hundred eighty-two thousand, two hundred one".