Search a number
-
+
448439982 = 2374739997
BaseRepresentation
bin11010101110101…
…010011010101110
31011020211010000020
4122232222122232
51404300034412
6112255343010
714053451124
oct3256523256
91136733006
10448439982
11210150661
12106221a66
1371ba1903
14437b3914
152958118c
hex1abaa6ae

448439982 has 8 divisors (see below), whose sum is σ = 896879976. Its totient is φ = 149479992.

The previous prime is 448439977. The next prime is 448440023. The reversal of 448439982 is 289934844.

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

448439982 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 37369993 + ... + 37370004.

It is an arithmetic number, because the mean of its divisors is an integer number (112109997).

Almost surely, 2448439982 is an apocalyptic number.

448439982 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.

448439982 is a wasteful number, since it uses less digits than its factorization.

448439982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74740002.

The product of its digits is 1990656, while the sum is 51.

The square root of 448439982 is about 21176.4015356717. The cubic root of 448439982 is about 765.4228837956.

The spelling of 448439982 in words is "four hundred forty-eight million, four hundred thirty-nine thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 74739997 149479994 224219991 448439982