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7648057 is a prime number
BaseRepresentation
bin11101001011001100111001
3112101120011101
4131023030321
53424214212
6431531401
7122002354
oct35131471
915346141
107648057
11435410a
122689b61
13177a1a1
14103129b
15a11157
hex74b339

7648057 has 2 divisors, whose sum is σ = 7648058. Its totient is φ = 7648056.

The previous prime is 7648031. The next prime is 7648061. The reversal of 7648057 is 7508467.

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., 4247721 + 3400336 = 2061^2 + 1844^2 .

It is an emirp because it is prime and its reverse (7508467) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7648057 is a prime.

7648057 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7648027) 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, 3824028 + 3824029.

It is an arithmetic number, because the mean of its divisors is an integer number (3824029).

Almost surely, 27648057 is an apocalyptic number.

It is an amenable number.

7648057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7648057 is an equidigital number, since it uses as much as digits as its factorization.

7648057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 7648057 is about 2765.5120683157. The cubic root of 7648057 is about 197.0230503747.

The spelling of 7648057 in words is "seven million, six hundred forty-eight thousand, fifty-seven".