Search a number
-
+
8142441 = 311324019
BaseRepresentation
bin11111000011111001101001
3120022200022220
4133003321221
54041024231
6450304253
7126131616
oct37037151
916280286
108142441
11466159a
122888089
1318c1218
14111d50d
15aac896
hex7c3e69

8142441 has 8 divisors (see below), whose sum is σ = 10953120. Its totient is φ = 5380032.

The previous prime is 8142401. The next prime is 8142467. The reversal of 8142441 is 1442418.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8142441 - 211 = 8140393 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8142401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11671 + ... + 12348.

It is an arithmetic number, because the mean of its divisors is an integer number (1369140).

Almost surely, 28142441 is an apocalyptic number.

It is an amenable number.

8142441 is a deficient number, since it is larger than the sum of its proper divisors (2810679).

8142441 is a wasteful number, since it uses less digits than its factorization.

8142441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24135.

The product of its digits is 1024, while the sum is 24.

The square root of 8142441 is about 2853.4962765001. The cubic root of 8142441 is about 201.1800322596.

Adding to 8142441 its reverse (1442418), we get a palindrome (9584859).

The spelling of 8142441 in words is "eight million, one hundred forty-two thousand, four hundred forty-one".

Divisors: 1 3 113 339 24019 72057 2714147 8142441