Search a number
-
+
349201 = 1918379
BaseRepresentation
bin1010101010000010001
3122202000101
41111100101
542133301
611252401
72653036
oct1252021
9582011
10349201
112193a6
1214a101
13c2c38
149138d
156d701
hex55411

349201 has 4 divisors (see below), whose sum is σ = 367600. Its totient is φ = 330804.

The previous prime is 349199. The next prime is 349207. The reversal of 349201 is 102943.

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: 102943 = 113911.

It is a cyclic number.

It is not a de Polignac number, because 349201 - 21 = 349199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 18379 = 349201 / (3 + 4 + 9 + 2 + 0 + 1).

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (349207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9171 + ... + 9208.

It is an arithmetic number, because the mean of its divisors is an integer number (91900).

2349201 is an apocalyptic number.

It is an amenable number.

349201 is a deficient number, since it is larger than the sum of its proper divisors (18399).

349201 is a wasteful number, since it uses less digits than its factorization.

349201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18398.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 349201 is about 590.9323142290. The cubic root of 349201 is about 70.4193198740.

The spelling of 349201 in words is "three hundred forty-nine thousand, two hundred one".

Divisors: 1 19 18379 349201