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452414521 = 1329372857
BaseRepresentation
bin11010111101110…
…100110000111001
31011112022001001101
4122331310300321
51411304231041
6112520451401
714132313526
oct3275646071
91145261041
10452414521
112124157a9
12107619b61
1372963a00
144412a14d
1529ab8b31
hex1af74c39

452414521 has 12 divisors (see below), whose sum is σ = 490587132. Its totient is φ = 417021696.

The previous prime is 452414467. The next prime is 452414533. The reversal of 452414521 is 125414254.

It can be written as a sum of positive squares in 6 ways, for example, as 135396496 + 317018025 = 11636^2 + 17805^2 .

It is a de Polignac number, because none of the positive numbers 2k-452414521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 452414521.

It is not an unprimeable number, because it can be changed into a prime (452414551) 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 11 ways as a sum of consecutive naturals, for example, 156925 + ... + 159781.

It is an arithmetic number, because the mean of its divisors is an integer number (40882261).

Almost surely, 2452414521 is an apocalyptic number.

It is an amenable number.

452414521 is a deficient number, since it is larger than the sum of its proper divisors (38172611).

452414521 is a wasteful number, since it uses less digits than its factorization.

452414521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820 (or 3807 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 452414521 is about 21270.0381052785. The cubic root of 452414521 is about 767.6775588936.

Adding to 452414521 its reverse (125414254), we get a palindrome (577828775).

The spelling of 452414521 in words is "four hundred fifty-two million, four hundred fourteen thousand, five hundred twenty-one".

Divisors: 1 13 169 937 2857 12181 37141 158353 482833 2677009 34801117 452414521