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452032145 = 5372778821
BaseRepresentation
bin11010111100010…
…111011010010001
31011111120121112022
4122330113122101
51411210012040
6112504341225
714126131655
oct3274273221
91144517468
10452032145
11212184494
12107474815
137285b956
144406aa65
1529a406b5
hex1af17691

452032145 has 16 divisors (see below), whose sum is σ = 559173648. Its totient is φ = 350542080.

The previous prime is 452032127. The next prime is 452032151. The reversal of 452032145 is 541230254.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 937024 + 451095121 = 968^2 + 21239^2 .

It is not a de Polignac number, because 452032145 - 26 = 452032081 is a prime.

It is a super-2 number, since 2×4520321452 = 408666120226602050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46835 + ... + 55655.

It is an arithmetic number, because the mean of its divisors is an integer number (34948353).

Almost surely, 2452032145 is an apocalyptic number.

It is an amenable number.

452032145 is a deficient number, since it is larger than the sum of its proper divisors (107141503).

452032145 is a wasteful number, since it uses less digits than its factorization.

452032145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9140.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 452032145 is about 21261.0475988367. The cubic root of 452032145 is about 767.4612202640.

Adding to 452032145 its reverse (541230254), we get a palindrome (993262399).

The spelling of 452032145 in words is "four hundred fifty-two million, thirty-two thousand, one hundred forty-five".

Divisors: 1 5 37 185 277 1385 8821 10249 44105 51245 326377 1631885 2443417 12217085 90406429 452032145