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44140141 = 97455053
BaseRepresentation
bin1010100001100…
…0011001101101
310002001112220001
42220120121231
542244441031
64214024301
71044120313
oct250303155
9102045801
1044140141
1122a09161
1212948091
1391b6136
145c100b3
153d1d861
hex2a1866d

44140141 has 4 divisors (see below), whose sum is σ = 44595292. Its totient is φ = 43684992.

The previous prime is 44140139. The next prime is 44140163. The reversal of 44140141 is 14104144.

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 23474025 + 20666116 = 4845^2 + 4546^2 .

It is a cyclic number.

It is not a de Polignac number, because 44140141 - 21 = 44140139 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 (44140121) 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, 227430 + ... + 227623.

It is an arithmetic number, because the mean of its divisors is an integer number (11148823).

Almost surely, 244140141 is an apocalyptic number.

It is an amenable number.

44140141 is a deficient number, since it is larger than the sum of its proper divisors (455151).

44140141 is an equidigital number, since it uses as much as digits as its factorization.

44140141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455150.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 44140141 is about 6643.8047081473. The cubic root of 44140141 is about 353.4092443007.

Adding to 44140141 its reverse (14104144), we get a palindrome (58244285).

It can be divided in two parts, 44 and 140141, that added together give a triangular number (140185 = T529).

The spelling of 44140141 in words is "forty-four million, one hundred forty thousand, one hundred forty-one".

Divisors: 1 97 455053 44140141