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663062479 is a prime number
BaseRepresentation
bin100111100001011…
…000011111001111
31201012200001201121
4213201120133033
52324220444404
6145443421411
722300636522
oct4741303717
91635601647
10663062479
11310310722
12166084867
13a74a8781
14640c0bb9
153d327e54
hex278587cf

663062479 has 2 divisors, whose sum is σ = 663062480. Its totient is φ = 663062478.

The previous prime is 663062471. The next prime is 663062557. The reversal of 663062479 is 974260366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 663062479 - 23 = 663062471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663062471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331531239 + 331531240.

It is an arithmetic number, because the mean of its divisors is an integer number (331531240).

Almost surely, 2663062479 is an apocalyptic number.

663062479 is a deficient number, since it is larger than the sum of its proper divisors (1).

663062479 is an equidigital number, since it uses as much as digits as its factorization.

663062479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 663062479 is about 25749.9995922330. Note that the first 3 decimals coincide. The cubic root of 663062479 is about 872.0033452268.

The spelling of 663062479 in words is "six hundred sixty-three million, sixty-two thousand, four hundred seventy-nine".