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348193 = 1911823
BaseRepresentation
bin1010101000000100001
3122200122001
41111000201
542120233
611244001
72650066
oct1250041
9580561
10348193
1121866a
12149601
13c2641
1490c6d
156d27d
hex55021

348193 has 4 divisors (see below), whose sum is σ = 350208. Its totient is φ = 346180.

The previous prime is 348191. The next prime is 348209. The reversal of 348193 is 391843.

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, and also an emirpimes, since its reverse is a distinct semiprime: 391843 = 834721.

It is a cyclic number.

It is not a de Polignac number, because 348193 - 21 = 348191 is a prime.

It is a super-3 number, since 3×3481933 = 126643050333435171, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348191) 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, 721 + ... + 1102.

It is an arithmetic number, because the mean of its divisors is an integer number (87552).

2348193 is an apocalyptic number.

It is an amenable number.

348193 is a deficient number, since it is larger than the sum of its proper divisors (2015).

348193 is a wasteful number, since it uses less digits than its factorization.

348193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014.

The product of its digits is 2592, while the sum is 28.

The square root of 348193 is about 590.0788082960. The cubic root of 348193 is about 70.3514973464.

The spelling of 348193 in words is "three hundred forty-eight thousand, one hundred ninety-three".

Divisors: 1 191 1823 348193