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452540313 = 3250282257
BaseRepresentation
bin11010111110010…
…011011110011001
31011112112102121100
4122332103132121
51411322242223
6112523302013
714133346341
oct3276233631
91145472540
10452540313
112124a1265
1210767a909
13729a9044
144415dd21
1529ae1043
hex1af93799

452540313 has 6 divisors (see below), whose sum is σ = 653669354. Its totient is φ = 301693536.

The previous prime is 452540287. The next prime is 452540317. The reversal of 452540313 is 313045254.

It can be written as a sum of positive squares in only one way, i.e., 296115264 + 156425049 = 17208^2 + 12507^2 .

It is not a de Polignac number, because 452540313 - 25 = 452540281 is a prime.

It is a super-3 number, since 3×4525403133 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452540317) 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, 25141120 + ... + 25141137.

Almost surely, 2452540313 is an apocalyptic number.

It is an amenable number.

452540313 is a deficient number, since it is larger than the sum of its proper divisors (201129041).

452540313 is a wasteful number, since it uses less digits than its factorization.

452540313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50282263 (or 50282260 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 452540313 is about 21272.9949231414. The cubic root of 452540313 is about 767.7487021648.

Adding to 452540313 its reverse (313045254), we get a palindrome (765585567).

The spelling of 452540313 in words is "four hundred fifty-two million, five hundred forty thousand, three hundred thirteen".

Divisors: 1 3 9 50282257 150846771 452540313