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478880466 = 2379813411
BaseRepresentation
bin11100100010110…
…010001011010010
31020101002122111120
4130202302023102
51440043133331
6115304023110
714603262651
oct3442621322
91211078446
10478880466
11226351a89
12114461a96
137829c22c
1447859198
152c095796
hex1c8b22d2

478880466 has 8 divisors (see below), whose sum is σ = 957760944. Its totient is φ = 159626820.

The previous prime is 478880461. The next prime is 478880477. The reversal of 478880466 is 664088874.

It is a sphenic number, since it is the product of 3 distinct primes.

478880466 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (478880461) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 39906700 + ... + 39906711.

It is an arithmetic number, because the mean of its divisors is an integer number (119720118).

Almost surely, 2478880466 is an apocalyptic number.

478880466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478880466 is a wasteful number, since it uses less digits than its factorization.

478880466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79813416.

The product of its (nonzero) digits is 2064384, while the sum is 51.

The square root of 478880466 is about 21883.3376339168. The cubic root of 478880466 is about 782.3643283311.

The spelling of 478880466 in words is "four hundred seventy-eight million, eight hundred eighty thousand, four hundred sixty-six".

Divisors: 1 2 3 6 79813411 159626822 239440233 478880466