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234143313 = 378047771
BaseRepresentation
bin11011111010010…
…11111001010001
3121022120201020120
431331023321101
5434420041223
635122300453
75542120365
oct1575137121
9538521216
10234143313
11110193378
12664b7729
1339680151
142314d2a5
1515850be3
hexdf4be51

234143313 has 4 divisors (see below), whose sum is σ = 312191088. Its totient is φ = 156095540.

The previous prime is 234143311. The next prime is 234143317. The reversal of 234143313 is 313341432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234143313 - 21 = 234143311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234143311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39023883 + ... + 39023888.

It is an arithmetic number, because the mean of its divisors is an integer number (78047772).

Almost surely, 2234143313 is an apocalyptic number.

It is an amenable number.

234143313 is a deficient number, since it is larger than the sum of its proper divisors (78047775).

234143313 is an equidigital number, since it uses as much as digits as its factorization.

234143313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78047774.

The product of its digits is 2592, while the sum is 24.

The square root of 234143313 is about 15301.7421557155. The cubic root of 234143313 is about 616.3497909705.

Adding to 234143313 its reverse (313341432), we get a palindrome (547484745).

It can be divided in two parts, 2341 and 43313, that added together give a palindrome (45654).

The spelling of 234143313 in words is "two hundred thirty-four million, one hundred forty-three thousand, three hundred thirteen".

Divisors: 1 3 78047771 234143313