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168941 = 241701
BaseRepresentation
bin101001001111101101
322120202002
4221033231
520401231
63342045
71302353
oct511755
9276662
10168941
11105a23
1281925
135bb86
14457d3
15350cb
hex293ed

168941 has 4 divisors (see below), whose sum is σ = 169884. Its totient is φ = 168000.

The previous prime is 168937. The next prime is 168943. The reversal of 168941 is 149861.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 136900 + 32041 = 370^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 168941 - 22 = 168937 is a prime.

It is a super-2 number, since 2×1689412 = 57082122962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168943) 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, 110 + ... + 591.

It is an arithmetic number, because the mean of its divisors is an integer number (42471).

2168941 is an apocalyptic number.

It is an amenable number.

168941 is a deficient number, since it is larger than the sum of its proper divisors (943).

168941 is an equidigital number, since it uses as much as digits as its factorization.

168941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its digits is 1728, while the sum is 29.

The square root of 168941 is about 411.0243301801. The cubic root of 168941 is about 55.2813135080.

The spelling of 168941 in words is "one hundred sixty-eight thousand, nine hundred forty-one".

Divisors: 1 241 701 168941