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42244051 = 206320477
BaseRepresentation
bin1010000100100…
…1011111010011
32221111012221111
42201021133103
541303302201
64105234151
71022032333
oct241113723
987435844
1042244051
1121933643
1212192957
1389a10a5
1458790c3
153a96b51
hex28497d3

42244051 has 4 divisors (see below), whose sum is σ = 42266592. Its totient is φ = 42221512.

The previous prime is 42244009. The next prime is 42244057. The reversal of 42244051 is 15044224.

It is a happy number.

42244051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42244051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42244057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8176 + ... + 12301.

It is an arithmetic number, because the mean of its divisors is an integer number (10566648).

Almost surely, 242244051 is an apocalyptic number.

42244051 is a deficient number, since it is larger than the sum of its proper divisors (22541).

42244051 is a wasteful number, since it uses less digits than its factorization.

42244051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22540.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 42244051 is about 6499.5423685056. The cubic root of 42244051 is about 348.2746406202.

Adding to 42244051 its reverse (15044224), we get a palindrome (57288275).

The spelling of 42244051 in words is "forty-two million, two hundred forty-four thousand, fifty-one".

Divisors: 1 2063 20477 42244051