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478471876 = 22109372
BaseRepresentation
bin11100100001001…
…110011011000100
31020100022220000121
4130201032123010
51434442100001
6115251151324
714566641511
oct3441163304
91210286017
10478471876
112260a3003
121142a5544
137818826c
1447790308
152c0146a1
hex1c84e6c4

478471876 has 9 divisors (see below), whose sum is σ = 837402349. Its totient is φ = 239214064.

The previous prime is 478471853. The next prime is 478471933. The reversal of 478471876 is 678174874.

The square root of 478471876 is 21874.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 457532100 + 20939776 = 21390^2 + 4576^2 .

It is a super-2 number, since 2×4784718762 = 457870672245918752, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 38280 + ... + 49216.

Almost surely, 2478471876 is an apocalyptic number.

478471876 is the 21874-th square number.

It is an amenable number.

478471876 is a deficient number, since it is larger than the sum of its proper divisors (358930473).

478471876 is an frugal number, since it uses more digits than its factorization.

478471876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21878 (or 10939 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 52.

The cubic root of 478471876 is about 782.1417556003.

The spelling of 478471876 in words is "four hundred seventy-eight million, four hundred seventy-one thousand, eight hundred seventy-six".

Divisors: 1 2 4 10937 21874 43748 119617969 239235938 478471876