Search a number
-
+
842333441 = 1944333339
BaseRepresentation
bin110010001101001…
…111110100000001
32011200222222020212
4302031033310001
53211114132231
6215330043505
726605500425
oct6215176401
92150888225
10842333441
113a2525644
121b6119595
13105685871
147dc28b85
154de3a42b
hex3234fd01

842333441 has 4 divisors (see below), whose sum is σ = 886666800. Its totient is φ = 798000084.

The previous prime is 842333431. The next prime is 842333473. The reversal of 842333441 is 144333248.

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 a de Polignac number, because none of the positive numbers 2k-842333441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 842333398 and 842333407.

It is not an unprimeable number, because it can be changed into a prime (842333431) 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, 22166651 + ... + 22166688.

It is an arithmetic number, because the mean of its divisors is an integer number (221666700).

Almost surely, 2842333441 is an apocalyptic number.

It is an amenable number.

842333441 is a deficient number, since it is larger than the sum of its proper divisors (44333359).

842333441 is a wasteful number, since it uses less digits than its factorization.

842333441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44333358.

The product of its digits is 27648, while the sum is 32.

The square root of 842333441 is about 29022.9812562390. The cubic root of 842333441 is about 944.4116756484.

Adding to 842333441 its reverse (144333248), we get a palindrome (986666689).

The spelling of 842333441 in words is "eight hundred forty-two million, three hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 19 44333339 842333441