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460449081 = 32132138729
BaseRepresentation
bin11011011100011…
…110010100111001
31012002102020101200
4123130132110321
51420333332311
6113405004413
714260516101
oct3334362471
91162366350
10460449081
11216a03234
1210a253709
1374517aa1
144521c201
152a654556
hex1b71e539

460449081 has 12 divisors (see below), whose sum is σ = 665613780. Its totient is φ = 306725760.

The previous prime is 460449079. The next prime is 460449113. The reversal of 460449081 is 180944064.

It is a happy number.

460449081 is a `hidden beast` number, since 4 + 604 + 49 + 0 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 211440681 + 249008400 = 14541^2 + 15780^2 .

It is not a de Polignac number, because 460449081 - 21 = 460449079 is a prime.

It is a super-2 number, since 2×4604490812 = 424026712387489122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (460449071) 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 11 ways as a sum of consecutive naturals, for example, 7476 + ... + 31253.

It is an arithmetic number, because the mean of its divisors is an integer number (55467815).

Almost surely, 2460449081 is an apocalyptic number.

It is an amenable number.

460449081 is a deficient number, since it is larger than the sum of its proper divisors (205164699).

460449081 is a wasteful number, since it uses less digits than its factorization.

460449081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40056 (or 40053 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 460449081 is about 21458.0772903818. The cubic root of 460449081 is about 772.1953881176.

The spelling of 460449081 in words is "four hundred sixty million, four hundred forty-nine thousand, eighty-one".

Divisors: 1 3 9 1321 3963 11889 38729 116187 348561 51161009 153483027 460449081