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345112143 = 3196054599
BaseRepresentation
bin10100100100011…
…111111001001111
3220001101111212020
4110210133321033
51201322042033
654124541223
711360255565
oct2444377117
9801344766
10345112143
11167896952
12976b1813
135666448c
1433b97a35
15204706b3
hex1491fe4f

345112143 has 8 divisors (see below), whose sum is σ = 484368000. Its totient is φ = 217965528.

The previous prime is 345112139. The next prime is 345112169. The reversal of 345112143 is 341211543.

It is a happy number.

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

It is not a de Polignac number, because 345112143 - 22 = 345112139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345112123) 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 7 ways as a sum of consecutive naturals, for example, 3027243 + ... + 3027356.

It is an arithmetic number, because the mean of its divisors is an integer number (60546000).

Almost surely, 2345112143 is an apocalyptic number.

345112143 is a deficient number, since it is larger than the sum of its proper divisors (139255857).

345112143 is a wasteful number, since it uses less digits than its factorization.

345112143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054621.

The product of its digits is 1440, while the sum is 24.

The square root of 345112143 is about 18577.1941638128. The cubic root of 345112143 is about 701.4338927552.

Adding to 345112143 its reverse (341211543), we get a palindrome (686323686).

The spelling of 345112143 in words is "three hundred forty-five million, one hundred twelve thousand, one hundred forty-three".

Divisors: 1 3 19 57 6054599 18163797 115037381 345112143