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481974849 = 3253552761
BaseRepresentation
bin11100101110100…
…101101001000001
31020120220212012100
4130232211221001
51441341143344
6115454221013
714641501326
oct3456455101
91216825170
10481974849
11228075924
121154b4769
1378b13825
1448022b4d
152c4a7569
hex1cba5a41

481974849 has 6 divisors (see below), whose sum is σ = 696185906. Its totient is φ = 321316560.

The previous prime is 481974833. The next prime is 481974869. The reversal of 481974849 is 948479184.

It can be written as a sum of positive squares in only one way, i.e., 243828225 + 238146624 = 15615^2 + 15432^2 .

It is not a de Polignac number, because 481974849 - 24 = 481974833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 481974795 and 481974804.

It is not an unprimeable number, because it can be changed into a prime (481974869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26776372 + ... + 26776389.

Almost surely, 2481974849 is an apocalyptic number.

It is an amenable number.

481974849 is a deficient number, since it is larger than the sum of its proper divisors (214211057).

481974849 is a wasteful number, since it uses less digits than its factorization.

481974849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53552767 (or 53552764 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 481974849 is about 21953.9255942986. The cubic root of 481974849 is about 784.0458468130.

The spelling of 481974849 in words is "four hundred eighty-one million, nine hundred seventy-four thousand, eight hundred forty-nine".

Divisors: 1 3 9 53552761 160658283 481974849