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479256493 is a prime number
BaseRepresentation
bin11100100100001…
…101111110101101
31020101210202022111
4130210031332231
51440142201433
6115320044021
714606420152
oct3444157655
91211722274
10479256493
11226589551
12114603611
13783a1431
1447916229
152c11bdcd
hex1c90dfad

479256493 has 2 divisors, whose sum is σ = 479256494. Its totient is φ = 479256492.

The previous prime is 479256487. The next prime is 479256499. The reversal of 479256493 is 394652974.

It is a balanced prime because it is at equal distance from previous prime (479256487) and next prime (479256499).

It can be written as a sum of positive squares in only one way, i.e., 469935684 + 9320809 = 21678^2 + 3053^2 .

It is a cyclic number.

It is not a de Polignac number, because 479256493 - 217 = 479125421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479256499) 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, 239628246 + 239628247.

It is an arithmetic number, because the mean of its divisors is an integer number (239628247).

Almost surely, 2479256493 is an apocalyptic number.

It is an amenable number.

479256493 is a deficient number, since it is larger than the sum of its proper divisors (1).

479256493 is an equidigital number, since it uses as much as digits as its factorization.

479256493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 49.

The square root of 479256493 is about 21891.9275761638. The cubic root of 479256493 is about 782.5690510572.

The spelling of 479256493 in words is "four hundred seventy-nine million, two hundred fifty-six thousand, four hundred ninety-three".