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487444484 = 221131078417
BaseRepresentation
bin11101000011011…
…101000000000100
31020222012202010102
4131003131000010
51444241210414
6120211343232
715036131642
oct3503350004
91228182112
10487444484
1123017128a
121172b1b18
1379caa2b7
1448a48192
152cbd7ede
hex1d0dd004

487444484 has 12 divisors (see below), whose sum is σ = 860577564. Its totient is φ = 241565184.

The previous prime is 487444481. The next prime is 487444511. The reversal of 487444484 is 484444784.

It can be written as a sum of positive squares in 2 ways, for example, as 9060100 + 478384384 = 3010^2 + 21872^2 .

It is not an unprimeable number, because it can be changed into a prime (487444481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538757 + ... + 539660.

It is an arithmetic number, because the mean of its divisors is an integer number (71714797).

Almost surely, 2487444484 is an apocalyptic number.

It is an amenable number.

487444484 is a deficient number, since it is larger than the sum of its proper divisors (373133080).

487444484 is a wasteful number, since it uses less digits than its factorization.

487444484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078534 (or 1078532 counting only the distinct ones).

The product of its digits is 1835008, while the sum is 47.

The square root of 487444484 is about 22078.1449401892. The cubic root of 487444484 is about 787.0005817745. Note that the first 3 decimals are identical.

The spelling of 487444484 in words is "four hundred eighty-seven million, four hundred forty-four thousand, four hundred eighty-four".

Divisors: 1 2 4 113 226 452 1078417 2156834 4313668 121861121 243722242 487444484