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430243255 = 51310761861
BaseRepresentation
bin11001101001001…
…111110110110111
31002222120121210101
4121221033312313
51340120241010
6110405334531
713443002341
oct3151176667
91088517711
10430243255
11200952142
12100107447
136b1a0210
14411d8291
1527b8973a
hex19a4fdb7

430243255 has 16 divisors (see below), whose sum is σ = 561212064. Its totient is φ = 314743680.

The previous prime is 430243237. The next prime is 430243301. The reversal of 430243255 is 552342034.

It is a de Polignac number, because none of the positive numbers 2k-430243255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23976 + ... + 37885.

It is an arithmetic number, because the mean of its divisors is an integer number (35075754).

Almost surely, 2430243255 is an apocalyptic number.

430243255 is a deficient number, since it is larger than the sum of its proper divisors (130968809).

430243255 is a wasteful number, since it uses less digits than its factorization.

430243255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61986.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 430243255 is about 20742.3059229199. The cubic root of 430243255 is about 754.9265340851.

Adding to 430243255 its reverse (552342034), we get a palindrome (982585289).

The spelling of 430243255 in words is "four hundred thirty million, two hundred forty-three thousand, two hundred fifty-five".

Divisors: 1 5 13 65 107 535 1391 6955 61861 309305 804193 4020965 6619127 33095635 86048651 430243255