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44340231 = 3139531193
BaseRepresentation
bin1010100100100…
…1010000000111
310002102201100210
42221021100013
542322341411
64222210503
71045612545
oct251112007
9102381323
1044340231
1123035521
1212a23a33
139256230
145c62d95
153d5cca6
hex2a49407

44340231 has 16 divisors (see below), whose sum is σ = 63788256. Its totient is φ = 27234816.

The previous prime is 44340227. The next prime is 44340239. The reversal of 44340231 is 13204344.

It is not a de Polignac number, because 44340231 - 22 = 44340227 is a prime.

It is a super-2 number, since 2×443402312 = 3932112170266722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44340198 and 44340207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44340239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36571 + ... + 37763.

It is an arithmetic number, because the mean of its divisors is an integer number (3986766).

Almost surely, 244340231 is an apocalyptic number.

44340231 is a deficient number, since it is larger than the sum of its proper divisors (19448025).

44340231 is a wasteful number, since it uses less digits than its factorization.

44340231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 44340231 is about 6658.8460712048. The cubic root of 44340231 is about 353.9424481115.

Adding to 44340231 its reverse (13204344), we get a palindrome (57544575).

The spelling of 44340231 in words is "forty-four million, three hundred forty thousand, two hundred thirty-one".

Divisors: 1 3 13 39 953 1193 2859 3579 12389 15509 37167 46527 1136929 3410787 14780077 44340231