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481293681 = 311174611861
BaseRepresentation
bin11100101011111…
…111010101110001
31020112122020210220
4130223333111301
51441202344211
6115431443253
714632633401
oct3453772561
91215566726
10481293681
11227750080
12115226529
137893577b
1447cc6801
152c3c0806
hex1caff571

481293681 has 32 divisors (see below), whose sum is σ = 743250816. Its totient is φ = 273792000.

The previous prime is 481293679. The next prime is 481293713. The reversal of 481293681 is 186392184.

It is not a de Polignac number, because 481293681 - 21 = 481293679 is a prime.

It is a super-2 number, since 2×4812936812 = 463287214741059522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (481293671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257691 + ... + 259551.

It is an arithmetic number, because the mean of its divisors is an integer number (23226588).

Almost surely, 2481293681 is an apocalyptic number.

It is an amenable number.

481293681 is a deficient number, since it is larger than the sum of its proper divisors (261957135).

481293681 is a wasteful number, since it uses less digits than its factorization.

481293681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353.

The product of its digits is 82944, while the sum is 42.

The square root of 481293681 is about 21938.4065282782. The cubic root of 481293681 is about 783.6763124991.

The spelling of 481293681 in words is "four hundred eighty-one million, two hundred ninety-three thousand, six hundred eighty-one".

Divisors: 1 3 11 17 33 51 187 461 561 1383 1861 5071 5583 7837 15213 20471 23511 31637 61413 86207 94911 258621 348007 857921 1044021 2573763 9437131 14584657 28311393 43753971 160431227 481293681