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434343431 = 23187710061
BaseRepresentation
bin11001111000111…
…000111000000111
31010021021221011202
4121320320320013
51342142442211
6111033253115
713522600244
oct3170707007
91107257152
10434343431
112031a2715
1210156419b
136bca7562
14419845cb
15281e953b
hex19e38e07

434343431 has 8 divisors (see below), whose sum is σ = 453514464. Its totient is φ = 415196320.

The previous prime is 434343419. The next prime is 434343451. The reversal of 434343431 is 134343434.

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 434343431 - 26 = 434343367 is a prime.

It is a super-2 number, since 2×4343434312 = 377308432105703522, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 434343394 and 434343403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434343451) 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, 38141 + ... + 48201.

It is an arithmetic number, because the mean of its divisors is an integer number (56689308).

Almost surely, 2434343431 is an apocalyptic number.

434343431 is a deficient number, since it is larger than the sum of its proper divisors (19171033).

434343431 is a wasteful number, since it uses less digits than its factorization.

434343431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11961.

The product of its digits is 20736, while the sum is 29.

The square root of 434343431 is about 20840.9076337860. The cubic root of 434343431 is about 757.3170814598.

Adding to 434343431 its reverse (134343434), we get a palindrome (568686865).

It can be divided in two parts, 4343 and 43431, that added together give a palindrome (47774).

The spelling of 434343431 in words is "four hundred thirty-four million, three hundred forty-three thousand, four hundred thirty-one".

Divisors: 1 23 1877 10061 43171 231403 18884497 434343431