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452130613 = 1141102783
BaseRepresentation
bin11010111100101…
…111011100110101
31011111202121121021
4122330233130311
51411221134423
6112510421141
714130022024
oct3274573465
91144677537
10452130613
11212241470
121075017b1
137289470c
14440948bb
1529a5e95d
hex1af2f735

452130613 has 4 divisors (see below), whose sum is σ = 493233408. Its totient is φ = 411027820.

The previous prime is 452130611. The next prime is 452130643. The reversal of 452130613 is 316031254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 452130613 - 21 = 452130611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452130611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20551381 + ... + 20551402.

It is an arithmetic number, because the mean of its divisors is an integer number (123308352).

Almost surely, 2452130613 is an apocalyptic number.

It is an amenable number.

452130613 is a deficient number, since it is larger than the sum of its proper divisors (41102795).

452130613 is a wasteful number, since it uses less digits than its factorization.

452130613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41102794.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 452130613 is about 21263.3631629618. The cubic root of 452130613 is about 767.5169426174.

Adding to 452130613 its reverse (316031254), we get a palindrome (768161867).

The spelling of 452130613 in words is "four hundred fifty-two million, one hundred thirty thousand, six hundred thirteen".

Divisors: 1 11 41102783 452130613