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304235005431 = 3722696384919
BaseRepresentation
bin1000110110101011101…
…00011100010111110111
31002002021122211121001010
410123111310130113313
514441033130133211
6351432540003303
730660140610060
oct4332564342767
91062248747033
10304235005431
11108030802595
124ab67830533
13228c6342996
1410a2178b567
157da93a54a6
hex46d5d1c5f7

304235005431 has 16 divisors (see below), whose sum is σ = 463800588800. Its totient is φ = 173771928288.

The previous prime is 304235005411. The next prime is 304235005483. The reversal of 304235005431 is 134500532403.

It is not a de Polignac number, because 304235005431 - 29 = 304235004919 is a prime.

It is a super-2 number, since 2×3042350054312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304235005411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3144811 + ... + 3240108.

It is an arithmetic number, because the mean of its divisors is an integer number (28987536800).

Almost surely, 2304235005431 is an apocalyptic number.

304235005431 is a deficient number, since it is larger than the sum of its proper divisors (159565583369).

304235005431 is a wasteful number, since it uses less digits than its factorization.

304235005431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6387198.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 304235005431 its reverse (134500532403), we get a palindrome (438735537834).

The spelling of 304235005431 in words is "three hundred four billion, two hundred thirty-five million, five thousand, four hundred thirty-one".

Divisors: 1 3 7 21 2269 6807 15883 47649 6384919 19154757 44694433 134083299 14487381211 43462143633 101411668477 304235005431