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430023141 = 3380919687
BaseRepresentation
bin11001101000011…
…010000111100101
31002222011102212000
4121220122013211
51340041220031
6110400515513
713441064532
oct3150320745
91088142760
10430023141
11200811829
1210001bb99
136b123c82
144117bd89
1527b443e6
hex19a1a1e5

430023141 has 16 divisors (see below), whose sum is σ = 637891200. Its totient is φ = 286313184.

The previous prime is 430023127. The next prime is 430023151. The reversal of 430023141 is 141320034.

430023141 is a `hidden beast` number, since 430 + 0 + 231 + 4 + 1 = 666.

It is not a de Polignac number, because 430023141 - 214 = 430006757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430023151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12000 + ... + 31686.

It is an arithmetic number, because the mean of its divisors is an integer number (39868200).

Almost surely, 2430023141 is an apocalyptic number.

It is an amenable number.

430023141 is a deficient number, since it is larger than the sum of its proper divisors (207868059).

430023141 is a wasteful number, since it uses less digits than its factorization.

430023141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20505 (or 20499 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 430023141 is about 20736.9993248782. Note that the first 3 decimals coincide. The cubic root of 430023141 is about 754.7977710788.

Adding to 430023141 its reverse (141320034), we get a palindrome (571343175).

The spelling of 430023141 in words is "four hundred thirty million, twenty-three thousand, one hundred forty-one".

Divisors: 1 3 9 27 809 2427 7281 19687 21843 59061 177183 531549 15926783 47780349 143341047 430023141