Search a number
-
+
42000833 = 76000119
BaseRepresentation
bin1010000000111…
…0000111000001
32221000212022102
42200032013001
541223011313
64100120145
71020000260
oct240160701
987025272
1042000833
1121787936
1212096055
138917484
1458145d7
153a49a58
hex280e1c1

42000833 has 4 divisors (see below), whose sum is σ = 48000960. Its totient is φ = 36000708.

The previous prime is 42000821. The next prime is 42000841. The reversal of 42000833 is 33800024.

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 42000833 - 212 = 41996737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42002833) 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, 3000053 + ... + 3000066.

It is an arithmetic number, because the mean of its divisors is an integer number (12000240).

Almost surely, 242000833 is an apocalyptic number.

It is an amenable number.

42000833 is a deficient number, since it is larger than the sum of its proper divisors (6000127).

42000833 is an equidigital number, since it uses as much as digits as its factorization.

42000833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000126.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42000833 is about 6480.8049654345. The cubic root of 42000833 is about 347.6049625133.

Adding to 42000833 its reverse (33800024), we get a palindrome (75800857).

The spelling of 42000833 in words is "forty-two million, eight hundred thirty-three", and thus it is an aban number.

Divisors: 1 7 6000119 42000833