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452521225 = 52131392373
BaseRepresentation
bin11010111110001…
…110110100001001
31011112111110102101
4122332032310021
51411321134400
6112523033401
714133236602
oct3276166411
91145443371
10452521225
11212488992
1210766b861
13729a0450
1444156da9
1529ada56a
hex1af8ed09

452521225 has 12 divisors (see below), whose sum is σ = 604290316. Its totient is φ = 334169280.

The previous prime is 452521169. The next prime is 452521247. The reversal of 452521225 is 522125254.

It can be written as a sum of positive squares in 6 ways, for example, as 17673616 + 434847609 = 4204^2 + 20853^2 .

It is not a de Polignac number, because 452521225 - 223 = 444132617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 452521193 and 452521202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 695862 + ... + 696511.

Almost surely, 2452521225 is an apocalyptic number.

It is an amenable number.

452521225 is a deficient number, since it is larger than the sum of its proper divisors (151769091).

452521225 is a wasteful number, since it uses less digits than its factorization.

452521225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392396 (or 1392391 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 452521225 is about 21272.5462744825. The cubic root of 452521225 is about 767.7379075513.

Adding to 452521225 its reverse (522125254), we get a palindrome (974646479).

The spelling of 452521225 in words is "four hundred fifty-two million, five hundred twenty-one thousand, two hundred twenty-five".

Divisors: 1 5 13 25 65 325 1392373 6961865 18100849 34809325 90504245 452521225