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479879161 is a prime number
BaseRepresentation
bin11100100110100…
…101111111111001
31020102222101110021
4130212211333321
51440322113121
6115341250441
714614622416
oct3446457771
91212871407
10479879161
11226974353
12114863a21
137855b988
1447a3910d
152c1e1641
hex1c9a5ff9

479879161 has 2 divisors, whose sum is σ = 479879162. Its totient is φ = 479879160.

The previous prime is 479879137. The next prime is 479879177. The reversal of 479879161 is 161978974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363131136 + 116748025 = 19056^2 + 10805^2 .

It is a cyclic number.

It is not a de Polignac number, because 479879161 - 211 = 479877113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 479879099 and 479879108.

It is not a weakly prime, because it can be changed into another prime (479879261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239939580 + 239939581.

It is an arithmetic number, because the mean of its divisors is an integer number (239939581).

Almost surely, 2479879161 is an apocalyptic number.

It is an amenable number.

479879161 is a deficient number, since it is larger than the sum of its proper divisors (1).

479879161 is an equidigital number, since it uses as much as digits as its factorization.

479879161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 52.

The square root of 479879161 is about 21906.1443663644. The cubic root of 479879161 is about 782.9078187345.

The spelling of 479879161 in words is "four hundred seventy-nine million, eight hundred seventy-nine thousand, one hundred sixty-one".