Search a number
-
+
44973081 = 3222921821
BaseRepresentation
bin1010101110001…
…1110000011001
310010121212110200
42223203300121
543003114311
64243532413
71054156566
oct253436031
9103555420
1044973081
1123427a3a
121308a109
1394182ba
145d8986d
153e35556
hex2ae3c19

44973081 has 12 divisors (see below), whose sum is σ = 65247780. Its totient is φ = 29849760.

The previous prime is 44973077. The next prime is 44973091. The reversal of 44973081 is 18037944.

It is a happy number.

44973081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35462025 + 9511056 = 5955^2 + 3084^2 .

It is not a de Polignac number, because 44973081 - 22 = 44973077 is a prime.

It is a super-2 number, since 2×449730812 = 4045156029265122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44973001) 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 11 ways as a sum of consecutive naturals, for example, 8850 + ... + 12971.

It is an arithmetic number, because the mean of its divisors is an integer number (5437315).

Almost surely, 244973081 is an apocalyptic number.

It is an amenable number.

44973081 is a deficient number, since it is larger than the sum of its proper divisors (20274699).

44973081 is a wasteful number, since it uses less digits than its factorization.

44973081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22056 (or 22053 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 44973081 is about 6706.1972085527. The cubic root of 44973081 is about 355.6183918495.

The spelling of 44973081 in words is "forty-four million, nine hundred seventy-three thousand, eighty-one".

Divisors: 1 3 9 229 687 2061 21821 65463 196389 4997009 14991027 44973081