Search a number
-
+
42441 = 374347
BaseRepresentation
bin1010010111001001
32011012220
422113021
52324231
6524253
7234510
oct122711
964186
1042441
1129983
1220689
1316419
1411677
15c896
hexa5c9

42441 has 16 divisors (see below), whose sum is σ = 67584. Its totient is φ = 23184.

The previous prime is 42437. The next prime is 42443. The reversal of 42441 is 14424.

42441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42441 - 22 = 42437 is a prime.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 42441.

It is not an unprimeable number, because it can be changed into a prime (42443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880 + ... + 926.

It is an arithmetic number, because the mean of its divisors is an integer number (4224).

242441 is an apocalyptic number.

It is an amenable number.

42441 is a deficient number, since it is larger than the sum of its proper divisors (25143).

42441 is a wasteful number, since it uses less digits than its factorization.

42441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100.

The product of its digits is 128, while the sum is 15.

The square root of 42441 is about 206.0121355649. The cubic root of 42441 is about 34.8815040348.

Adding to 42441 its reverse (14424), we get a palindrome (56865).

It can be divided in two parts, 424 and 41, that added together give a triangular number (465 = T30).

The spelling of 42441 in words is "forty-two thousand, four hundred forty-one", and thus it is an iban number.

Divisors: 1 3 7 21 43 47 129 141 301 329 903 987 2021 6063 14147 42441