Search a number
-
+
44120131 = 114010921
BaseRepresentation
bin1010100001001…
…1100001000011
310002000112102221
42220103201003
542243321011
64213351511
71044005056
oct250234103
9102015387
1044120131
11229a5120
1212938597
1391a9cb3
145c06a9d
153d17971
hex2a13843

44120131 has 4 divisors (see below), whose sum is σ = 48131064. Its totient is φ = 40109200.

The previous prime is 44120123. The next prime is 44120143. The reversal of 44120131 is 13102144.

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

It is a cyclic number.

It is not a de Polignac number, because 44120131 - 23 = 44120123 is a prime.

It is a super-2 number, since 2×441201312 = 3893171918914322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44120101) 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, 2005450 + ... + 2005471.

It is an arithmetic number, because the mean of its divisors is an integer number (12032766).

Almost surely, 244120131 is an apocalyptic number.

44120131 is a deficient number, since it is larger than the sum of its proper divisors (4010933).

44120131 is a wasteful number, since it uses less digits than its factorization.

44120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010932.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 44120131 is about 6642.2986232177. The cubic root of 44120131 is about 353.3558326917.

Adding to 44120131 its reverse (13102144), we get a palindrome (57222275).

The spelling of 44120131 in words is "forty-four million, one hundred twenty thousand, one hundred thirty-one".

Divisors: 1 11 4010921 44120131