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343214143 = 2861119963
BaseRepresentation
bin10100011101010…
…000100000111111
3212220211002021221
4110131100200333
51200330323033
654020134211
711335162216
oct2435204077
9786732257
10343214143
1116680a958
1296b37367
135614b5bc
143382207d
15201e812d
hex1475083f

343214143 has 4 divisors (see below), whose sum is σ = 343336968. Its totient is φ = 343091320.

The previous prime is 343214129. The next prime is 343214147. The reversal of 343214143 is 341412343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341412343 = 1720083079.

It is a cyclic number.

It is not a de Polignac number, because 343214143 - 25 = 343214111 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343214147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57121 + ... + 62842.

It is an arithmetic number, because the mean of its divisors is an integer number (85834242).

Almost surely, 2343214143 is an apocalyptic number.

343214143 is a deficient number, since it is larger than the sum of its proper divisors (122825).

343214143 is a wasteful number, since it uses less digits than its factorization.

343214143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122824.

The product of its digits is 3456, while the sum is 25.

The square root of 343214143 is about 18526.0395929621. The cubic root of 343214143 is about 700.1456452045.

Adding to 343214143 its reverse (341412343), we get a palindrome (684626486).

The spelling of 343214143 in words is "three hundred forty-three million, two hundred fourteen thousand, one hundred forty-three".

Divisors: 1 2861 119963 343214143