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199349 = 1631223
BaseRepresentation
bin110000101010110101
3101010110022
4300222311
522334344
64134525
71460123
oct605265
9333408
10199349
11126857
1297445
136c977
1452913
153e0ee
hex30ab5

199349 has 4 divisors (see below), whose sum is σ = 200736. Its totient is φ = 197964.

The previous prime is 199343. The next prime is 199357. The reversal of 199349 is 943991.

199349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 943991 = 1277433.

It is a cyclic number.

It is not a de Polignac number, because 199349 - 212 = 195253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199343) 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, 449 + ... + 774.

It is an arithmetic number, because the mean of its divisors is an integer number (50184).

2199349 is an apocalyptic number.

It is an amenable number.

199349 is a deficient number, since it is larger than the sum of its proper divisors (1387).

199349 is a wasteful number, since it uses less digits than its factorization.

199349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386.

The product of its digits is 8748, while the sum is 35.

The square root of 199349 is about 446.4851621275. The cubic root of 199349 is about 58.4168346100.

The spelling of 199349 in words is "one hundred ninety-nine thousand, three hundred forty-nine".

Divisors: 1 163 1223 199349