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452425421 = 7449143947
BaseRepresentation
bin11010111101110…
…111011011001101
31011112022121000002
4122331313123031
51411310103141
6112521014045
714132360360
oct3275673315
91145277002
10452425421
11212422a08
12107624325
1372968966
14441300d7
1529abbe9b
hex1af776cd

452425421 has 8 divisors (see below), whose sum is σ = 518212800. Its totient is φ = 386926848.

The previous prime is 452425417. The next prime is 452425423. The reversal of 452425421 is 124524254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 452425421 - 22 = 452425417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452425423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68831 + ... + 75116.

It is an arithmetic number, because the mean of its divisors is an integer number (64776600).

Almost surely, 2452425421 is an apocalyptic number.

It is an amenable number.

452425421 is a deficient number, since it is larger than the sum of its proper divisors (65787379).

452425421 is a wasteful number, since it uses less digits than its factorization.

452425421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144403.

The product of its digits is 12800, while the sum is 29.

The square root of 452425421 is about 21270.2943327073. The cubic root of 452425421 is about 767.6837240496.

Adding to 452425421 its reverse (124524254), we get a palindrome (576949675).

The spelling of 452425421 in words is "four hundred fifty-two million, four hundred twenty-five thousand, four hundred twenty-one".

Divisors: 1 7 449 3143 143947 1007629 64632203 452425421