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547488493 is a prime number
BaseRepresentation
bin100000101000100…
…000001011101101
31102011012022000121
4200220200023231
52110124112433
6130154324541
716365401236
oct4050401355
91364168017
10547488493
11261052232
12133429751
13895712b6
14529d808d
15330e8c2d
hex20a202ed

547488493 has 2 divisors, whose sum is σ = 547488494. Its totient is φ = 547488492.

The previous prime is 547488421. The next prime is 547488497. The reversal of 547488493 is 394884745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299047849 + 248440644 = 17293^2 + 15762^2 .

It is a cyclic number.

It is not a de Polignac number, because 547488493 - 225 = 513934061 is a prime.

It is a super-2 number, since 2×5474884932 = 599487299934822098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 547488493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (547488497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273744246 + 273744247.

It is an arithmetic number, because the mean of its divisors is an integer number (273744247).

Almost surely, 2547488493 is an apocalyptic number.

It is an amenable number.

547488493 is a deficient number, since it is larger than the sum of its proper divisors (1).

547488493 is an equidigital number, since it uses as much as digits as its factorization.

547488493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 52.

The square root of 547488493 is about 23398.4720227625. The cubic root of 547488493 is about 818.0722577513.

The spelling of 547488493 in words is "five hundred forty-seven million, four hundred eighty-eight thousand, four hundred ninety-three".