Search a number
443141 = 2319267
BaseRepresentation
bin1101100001100000101
3211111212122
41230030011
5103140031
613255325
73523646
oct1541405
9744778
10443141
11282a36
12194545
1312691a
14b76cd
158b47b
hex6c305

443141 has 4 divisors (see below), whose sum is σ = 462432. Its totient is φ = 423852.

The previous prime is 443129. The next prime is 443147. The reversal of 443141 is 141344.

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 a cyclic number.

It is not a de Polignac number, because 443141 - 26 = 443077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443147) 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, 9611 + ... + 9656.

It is an arithmetic number, because the mean of its divisors is an integer number (115608).

2443141 is an apocalyptic number.

It is an amenable number.

443141 is a deficient number, since it is larger than the sum of its proper divisors (19291).

443141 is a wasteful number, since it uses less digits than its factorization.

443141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19290.

The product of its digits is 192, while the sum is 17.

The square root of 443141 is about 665.6883655285. The cubic root of 443141 is about 76.2396062156.

Adding to 443141 its reverse (141344), we get a palindrome (584485).

The spelling of 443141 in words is "four hundred forty-three thousand, one hundred forty-one", and thus it is an iban number.

Divisors: 1 23 19267 443141