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140141723 = 925715139
BaseRepresentation
bin10000101101001…
…10010010011011
3100202200221022012
420112212102123
5241334013343
621523420135
73321120311
oct1026462233
9322627265
10140141723
1172119607
123ab2464b
13230599c7
14148800b1
15c483718
hex85a649b

140141723 has 4 divisors (see below), whose sum is σ = 140166120. Its totient is φ = 140117328.

The previous prime is 140141671. The next prime is 140141747. The reversal of 140141723 is 327141041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140141723 - 28 = 140141467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140441723) 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 3 ways as a sum of consecutive naturals, for example, 1688 + ... + 16826.

It is an arithmetic number, because the mean of its divisors is an integer number (35041530).

Almost surely, 2140141723 is an apocalyptic number.

140141723 is a deficient number, since it is larger than the sum of its proper divisors (24397).

140141723 is an equidigital number, since it uses as much as digits as its factorization.

140141723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24396.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 140141723 is about 11838.1469411391. The cubic root of 140141723 is about 519.4245643907.

Adding to 140141723 its reverse (327141041), we get a palindrome (467282764).

The spelling of 140141723 in words is "one hundred forty million, one hundred forty-one thousand, seven hundred twenty-three".

Divisors: 1 9257 15139 140141723