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194137 = 832339
BaseRepresentation
bin101111011001011001
3100212022021
4233121121
522203022
64054441
71435666
oct573131
9325267
10194137
11122949
1294421
136a498
1450a6d
153c7c7
hex2f659

194137 has 4 divisors (see below), whose sum is σ = 196560. Its totient is φ = 191716.

The previous prime is 194119. The next prime is 194141. The reversal of 194137 is 731491.

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: 731491 = 898219.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-194137 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 194137.

It is not an unprimeable number, because it can be changed into a prime (194167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087 + ... + 1252.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2194137 is an apocalyptic number.

It is an amenable number.

194137 is a deficient number, since it is larger than the sum of its proper divisors (2423).

194137 is an equidigital number, since it uses as much as digits as its factorization.

194137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422.

The product of its digits is 756, while the sum is 25.

The square root of 194137 is about 440.6098047025. The cubic root of 194137 is about 57.9032274484.

It can be divided in two parts, 1941 and 37, that multiplied together give a palindrome (71817).

The spelling of 194137 in words is "one hundred ninety-four thousand, one hundred thirty-seven".

Divisors: 1 83 2339 194137