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481289386 = 2449535957
BaseRepresentation
bin11100101011111…
…110010010101010
31020112122000220211
4130223332102222
51441202230021
6115431411334
714632615024
oct3453762252
91215560824
10481289386
11227747926
12115223b4a
1378933826
1447cc5014
152c3be3e1
hex1cafe4aa

481289386 has 8 divisors (see below), whose sum is σ = 723543300. Its totient is φ = 240108288.

The previous prime is 481289383. The next prime is 481289407. The reversal of 481289386 is 683982184.

It can be written as a sum of positive squares in 2 ways, for example, as 481144225 + 145161 = 21935^2 + 381^2 .

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

It is a super-3 number, since 3×4812893863 (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (481289383) 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 in 3 ways as a sum of consecutive naturals, for example, 267081 + ... + 268876.

Almost surely, 2481289386 is an apocalyptic number.

481289386 is a deficient number, since it is larger than the sum of its proper divisors (242253914).

481289386 is a wasteful number, since it uses less digits than its factorization.

481289386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536408.

The product of its digits is 663552, while the sum is 49.

The square root of 481289386 is about 21938.3086403670. The cubic root of 481289386 is about 783.6739813516.

The spelling of 481289386 in words is "four hundred eighty-one million, two hundred eighty-nine thousand, three hundred eighty-six".

Divisors: 1 2 449 898 535957 1071914 240644693 481289386