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426643141 = 3895991831
BaseRepresentation
bin11001011011100…
…000111011000101
31002201210201100211
4121123200323011
51333210040031
6110200235421
713400256361
oct3133407305
91081721324
10426643141
111a9913341
12baa6bb71
136a50c682
144093c2a1
15276c7bb1
hex196e0ec5

426643141 has 8 divisors (see below), whose sum is σ = 428688000. Its totient is φ = 424603920.

The previous prime is 426643117. The next prime is 426643181. The reversal of 426643141 is 141346624.

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

It is a cyclic number.

It is not a de Polignac number, because 426643141 - 25 = 426643109 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 (426643181) 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, 232096 + ... + 233926.

It is an arithmetic number, because the mean of its divisors is an integer number (53586000).

Almost surely, 2426643141 is an apocalyptic number.

It is an amenable number.

426643141 is a deficient number, since it is larger than the sum of its proper divisors (2044859).

426643141 is a wasteful number, since it uses less digits than its factorization.

426643141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819.

The product of its digits is 13824, while the sum is 31.

The square root of 426643141 is about 20655.3417062028. The cubic root of 426643141 is about 752.8149862880.

Adding to 426643141 its reverse (141346624), we get a palindrome (567989765).

The spelling of 426643141 in words is "four hundred twenty-six million, six hundred forty-three thousand, one hundred forty-one".

Divisors: 1 389 599 1831 233011 712259 1096769 426643141