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348143 = 1720479
BaseRepresentation
bin1010100111111101111
3122200120012
41110333233
542120033
611243435
72646665
oct1247757
9580505
10348143
11218624
1214957b
13c2603
1490c35
156d248
hex54fef

348143 has 4 divisors (see below), whose sum is σ = 368640. Its totient is φ = 327648.

The previous prime is 348097. The next prime is 348149. The reversal of 348143 is 341843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341843 = 379239.

It is a cyclic number.

It is not a de Polignac number, because 348143 - 28 = 347887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 348143.

It is not an unprimeable number, because it can be changed into a prime (348149) 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, 10223 + ... + 10256.

It is an arithmetic number, because the mean of its divisors is an integer number (92160).

2348143 is an apocalyptic number.

348143 is a deficient number, since it is larger than the sum of its proper divisors (20497).

348143 is a wasteful number, since it uses less digits than its factorization.

348143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20496.

The product of its digits is 1152, while the sum is 23.

The square root of 348143 is about 590.0364395527. The cubic root of 348143 is about 70.3481297282.

Adding to 348143 its reverse (341843), we get a palindrome (689986).

The spelling of 348143 in words is "three hundred forty-eight thousand, one hundred forty-three".

Divisors: 1 17 20479 348143