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244641 = 381547
BaseRepresentation
bin111011101110100001
3110102120210
4323232201
530312031
65124333
72036145
oct735641
9412523
10244641
11157891
12b96a9
1387477
1465225
154c746
hex3bba1

244641 has 4 divisors (see below), whose sum is σ = 326192. Its totient is φ = 163092.

The previous prime is 244639. The next prime is 244667. The reversal of 244641 is 146442.

244641 is digitally balanced in base 7, 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.

It is not a de Polignac number, because 244641 - 21 = 244639 is a prime.

It is a D-number.

It is a Duffinian number.

244641 is strictly pandigital in base 7.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244691) 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, 40771 + ... + 40776.

It is an arithmetic number, because the mean of its divisors is an integer number (81548).

2244641 is an apocalyptic number.

It is an amenable number.

244641 is a deficient number, since it is larger than the sum of its proper divisors (81551).

244641 is an equidigital number, since it uses as much as digits as its factorization.

244641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81550.

The product of its digits is 768, while the sum is 21.

The square root of 244641 is about 494.6119691233. The cubic root of 244641 is about 62.5426695290.

The spelling of 244641 in words is "two hundred forty-four thousand, six hundred forty-one".

Divisors: 1 3 81547 244641