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140044244 = 2235011061
BaseRepresentation
bin10000101100011…
…10011111010100
3100202111222120212
420112032133110
5241322403434
621521344552
73320233154
oct1026163724
9322458525
10140044244
117206234a
123aa98158
1323024522
1414856764
15c4648ce
hex858e7d4

140044244 has 6 divisors (see below), whose sum is σ = 245077434. Its totient is φ = 70022120.

The previous prime is 140044241. The next prime is 140044301. The reversal of 140044244 is 442440041.

140044244 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 only one way, i.e., 135256900 + 4787344 = 11630^2 + 2188^2 .

It is a super-2 number, since 2×1400442442 = 39224780555063072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140044241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17505527 + ... + 17505534.

It is an arithmetic number, because the mean of its divisors is an integer number (40846239).

Almost surely, 2140044244 is an apocalyptic number.

It is an amenable number.

140044244 is a deficient number, since it is larger than the sum of its proper divisors (105033190).

140044244 is a wasteful number, since it uses less digits than its factorization.

140044244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35011065 (or 35011063 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 140044244 is about 11834.0290687492. The cubic root of 140044244 is about 519.3041036404.

Adding to 140044244 its reverse (442440041), we get a palindrome (582484285).

The spelling of 140044244 in words is "one hundred forty million, forty-four thousand, two hundred forty-four".

Divisors: 1 2 4 35011061 70022122 140044244