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44420141 = 291531729
BaseRepresentation
bin1010100101110…
…0110000101101
310002120202222102
42221130300231
542332421031
64224024445
71046364533
oct251346055
9102522872
1044420141
112308a567
1212a62125
13928370c
145c84153
153d767cb
hex2a5cc2d

44420141 has 4 divisors (see below), whose sum is σ = 45951900. Its totient is φ = 42888384.

The previous prime is 44420113. The next prime is 44420143. The reversal of 44420141 is 14102444.

It is a happy number.

44420141 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 can be written as a sum of positive squares in 2 ways, for example, as 8970025 + 35450116 = 2995^2 + 5954^2 .

It is a cyclic number.

It is not a de Polignac number, because 44420141 - 210 = 44419117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44420143) 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, 765836 + ... + 765893.

It is an arithmetic number, because the mean of its divisors is an integer number (11487975).

Almost surely, 244420141 is an apocalyptic number.

It is an amenable number.

44420141 is a deficient number, since it is larger than the sum of its proper divisors (1531759).

44420141 is a wasteful number, since it uses less digits than its factorization.

44420141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531758.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 44420141 is about 6664.8436590816. The cubic root of 44420141 is about 354.1549456298.

Adding to 44420141 its reverse (14102444), we get a palindrome (58522585).

The spelling of 44420141 in words is "forty-four million, four hundred twenty thousand, one hundred forty-one".

Divisors: 1 29 1531729 44420141