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628086479 is a prime number
BaseRepresentation
bin100101011011111…
…101011011001111
31121202212002200012
4211123331123033
52241242231404
6142154023435
721364434626
oct4533753317
91552762605
10628086479
112a25a1739
12156417b7b
13a0180907
145d5b86bd
153a219a6e
hex256fd6cf

628086479 has 2 divisors, whose sum is σ = 628086480. Its totient is φ = 628086478.

The previous prime is 628086467. The next prime is 628086493. The reversal of 628086479 is 974680826.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 628086479 - 224 = 611309263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628086779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314043239 + 314043240.

It is an arithmetic number, because the mean of its divisors is an integer number (314043240).

Almost surely, 2628086479 is an apocalyptic number.

628086479 is a deficient number, since it is larger than the sum of its proper divisors (1).

628086479 is an equidigital number, since it uses as much as digits as its factorization.

628086479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 628086479 is about 25061.6535567787. The cubic root of 628086479 is about 856.3930775239.

The spelling of 628086479 in words is "six hundred twenty-eight million, eighty-six thousand, four hundred seventy-nine".