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452513069 = 1033343793
BaseRepresentation
bin11010111110001…
…100110100101101
31011112111001020022
4122332030310231
51411320404234
6112522531525
714133204041
oct3276146455
91145431208
10452513069
11212482848
12107666ba5
1372999818
1444154021
1529ad7e2e
hex1af8cd2d

452513069 has 4 divisors (see below), whose sum is σ = 452567196. Its totient is φ = 452458944.

The previous prime is 452512999. The next prime is 452513081. The reversal of 452513069 is 960315254.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 960315254 = 2480157627.

It can be written as a sum of positive squares in 2 ways, for example, as 390576169 + 61936900 = 19763^2 + 7870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-452513069 is a prime.

It is a super-2 number, since 2×4525130692 = 409536155231597522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452533069) 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 3 ways as a sum of consecutive naturals, for example, 11564 + ... + 32229.

It is an arithmetic number, because the mean of its divisors is an integer number (113141799).

Almost surely, 2452513069 is an apocalyptic number.

It is an amenable number.

452513069 is a deficient number, since it is larger than the sum of its proper divisors (54127).

452513069 is a wasteful number, since it uses less digits than its factorization.

452513069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54126.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 452513069 is about 21272.3545711329. The cubic root of 452513069 is about 767.7332950914.

The spelling of 452513069 in words is "four hundred fifty-two million, five hundred thirteen thousand, sixty-nine".

Divisors: 1 10333 43793 452513069