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140344713 = 3261255637
BaseRepresentation
bin10000101110101…
…11110110001001
3100210002020202100
420113113312021
5241412012323
621532024013
73322624155
oct1027276611
9323066670
10140344713
1172248073
123b002009
13230cb212
14148d4065
15c4c3943
hex85d7d89

140344713 has 12 divisors (see below), whose sum is σ = 206044228. Its totient is φ = 92028960.

The previous prime is 140344649. The next prime is 140344727. The reversal of 140344713 is 317443041.

It can be written as a sum of positive squares in 2 ways, for example, as 1411344 + 138933369 = 1188^2 + 11787^2 .

It is not a de Polignac number, because 140344713 - 26 = 140344649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140344753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127270 + ... + 128367.

Almost surely, 2140344713 is an apocalyptic number.

It is an amenable number.

140344713 is a deficient number, since it is larger than the sum of its proper divisors (65699515).

140344713 is a wasteful number, since it uses less digits than its factorization.

140344713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255704 (or 255701 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 140344713 is about 11846.7173934386. The cubic root of 140344713 is about 519.6752323654.

Adding to 140344713 its reverse (317443041), we get a palindrome (457787754).

The spelling of 140344713 in words is "one hundred forty million, three hundred forty-four thousand, seven hundred thirteen".

Divisors: 1 3 9 61 183 549 255637 766911 2300733 15593857 46781571 140344713