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452553481 = 1721565929
BaseRepresentation
bin11010111110010…
…110101100001001
31011112120002200001
4122332112230021
51411323202411
6112523443001
714133432622
oct3276265411
91145502601
10452553481
11212500146
12107686461
13729b2033
1444164a49
1529ae4dc1
hex1af96b09

452553481 has 6 divisors (see below), whose sum is σ = 480740510. Its totient is φ = 425932416.

The previous prime is 452553463. The next prime is 452553487. The reversal of 452553481 is 184355254.

It can be written as a sum of positive squares in 3 ways, for example, as 156025081 + 296528400 = 12491^2 + 17220^2 .

It is not a de Polignac number, because 452553481 - 217 = 452422409 is a prime.

It is a super-2 number, since 2×4525534812 = 409609306330434722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 452553481.

It is not an unprimeable number, because it can be changed into a prime (452553487) 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, 782676 + ... + 783253.

Almost surely, 2452553481 is an apocalyptic number.

It is an amenable number.

452553481 is a deficient number, since it is larger than the sum of its proper divisors (28187029).

452553481 is a wasteful number, since it uses less digits than its factorization.

452553481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565963 (or 1565946 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

The square root of 452553481 is about 21273.3044212694. The cubic root of 452553481 is about 767.7561487329.

The spelling of 452553481 in words is "four hundred fifty-two million, five hundred fifty-three thousand, four hundred eighty-one".

Divisors: 1 17 289 1565929 26620793 452553481