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140310023 = 758734147
BaseRepresentation
bin10000101110011…
…11011000000111
3100210000111011112
420113033120013
5241404410043
621531155235
73322421060
oct1027173007
9323014145
10140310023
1172223aa7
123aba5b1b
13230b84a9
14148c5567
15c4b8518
hex85cf607

140310023 has 8 divisors (see below), whose sum is σ = 160632192. Its totient is φ = 120057336.

The previous prime is 140310019. The next prime is 140310029. The reversal of 140310023 is 320013041.

140310023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140310023 - 22 = 140310019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140310029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12965 + ... + 21182.

It is an arithmetic number, because the mean of its divisors is an integer number (20079024).

Almost surely, 2140310023 is an apocalyptic number.

140310023 is a deficient number, since it is larger than the sum of its proper divisors (20322169).

140310023 is an equidigital number, since it uses as much as digits as its factorization.

140310023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34741.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 140310023 is about 11845.2531842929. The cubic root of 140310023 is about 519.6324115637.

Adding to 140310023 its reverse (320013041), we get a palindrome (460323064).

The spelling of 140310023 in words is "one hundred forty million, three hundred ten thousand, twenty-three".

Divisors: 1 7 587 4109 34147 239029 20044289 140310023