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622049 is a prime number
BaseRepresentation
bin10010111110111100001
31011121021212
42113313201
5124401144
621155505
75200361
oct2276741
91147255
10622049
1139539a
1225bb95
1318a19c
141229a1
15c449e
hex97de1

622049 has 2 divisors, whose sum is σ = 622050. Its totient is φ = 622048.

The previous prime is 622043. The next prime is 622051. The reversal of 622049 is 940226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351649 + 270400 = 593^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 622049 - 216 = 556513 is a prime.

It is a Sophie Germain prime.

Together with 622051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (622043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311024 + 311025.

It is an arithmetic number, because the mean of its divisors is an integer number (311025).

2622049 is an apocalyptic number.

It is an amenable number.

622049 is a deficient number, since it is larger than the sum of its proper divisors (1).

622049 is an equidigital number, since it uses as much as digits as its factorization.

622049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 622049 is about 788.7008304801. The cubic root of 622049 is about 85.3640212840.

The spelling of 622049 in words is "six hundred twenty-two thousand, forty-nine".