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7668049 is a prime number
BaseRepresentation
bin11101010000000101010001
3112102120120211
4131100011101
53430334144
6432204121
7122114554
oct35200521
915376524
107668049
114368134
122699641
13178630c
14103869b
15a17034
hex750151

7668049 has 2 divisors, whose sum is σ = 7668050. Its totient is φ = 7668048.

The previous prime is 7668029. The next prime is 7668079. The reversal of 7668049 is 9408667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7059649 + 608400 = 2657^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 7668049 - 29 = 7667537 is a prime.

It is not a weakly prime, because it can be changed into another prime (7668019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3834024 + 3834025.

It is an arithmetic number, because the mean of its divisors is an integer number (3834025).

Almost surely, 27668049 is an apocalyptic number.

It is an amenable number.

7668049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7668049 is an equidigital number, since it uses as much as digits as its factorization.

7668049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 7668049 is about 2769.1242297882. The cubic root of 7668049 is about 197.1945735786.

It can be divided in two parts, 76680 and 49, that added together give a square (76729 = 2772).

The spelling of 7668049 in words is "seven million, six hundred sixty-eight thousand, forty-nine".