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481731317 = 10111342209
BaseRepresentation
bin11100101101101…
…010001011110101
31020120110111010122
4130231222023311
51441310400232
6115445101325
714636435324
oct3455521365
91216414118
10481731317
11227a19961
121153b7845
1378a59a22
1447d9c0bb
152c45a312
hex1cb6a2f5

481731317 has 8 divisors (see below), whose sum is σ = 490817880. Its totient is φ = 472729600.

The previous prime is 481731293. The next prime is 481731323. The reversal of 481731317 is 713137184.

It can be written as a sum of positive squares in 4 ways, for example, as 119552356 + 362178961 = 10934^2 + 19031^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 481731317 - 212 = 481727221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481731347) 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 7 ways as a sum of consecutive naturals, for example, 9692 + ... + 32517.

It is an arithmetic number, because the mean of its divisors is an integer number (61352235).

Almost surely, 2481731317 is an apocalyptic number.

It is an amenable number.

481731317 is a deficient number, since it is larger than the sum of its proper divisors (9086563).

481731317 is a wasteful number, since it uses less digits than its factorization.

481731317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42423.

The product of its digits is 14112, while the sum is 35.

The square root of 481731317 is about 21948.3784594671. The cubic root of 481731317 is about 783.9137704734.

The spelling of 481731317 in words is "four hundred eighty-one million, seven hundred thirty-one thousand, three hundred seventeen".

Divisors: 1 101 113 11413 42209 4263109 4769617 481731317