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140340103 = 791776457
BaseRepresentation
bin10000101110101…
…10101110000111
3100210002000102121
420113112232013
5241411340403
621531550411
73322604551
oct1027265607
9323060377
10140340103
1172244662
123abbb407
13230c90a7
14148d24d1
15c4c23bd
hex85d6b87

140340103 has 4 divisors (see below), whose sum is σ = 142116640. Its totient is φ = 138563568.

The previous prime is 140340071. The next prime is 140340113. The reversal of 140340103 is 301043041.

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 140340103 - 25 = 140340071 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 (140340113) 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, 888150 + ... + 888307.

It is an arithmetic number, because the mean of its divisors is an integer number (35529160).

Almost surely, 2140340103 is an apocalyptic number.

140340103 is a deficient number, since it is larger than the sum of its proper divisors (1776537).

140340103 is an equidigital number, since it uses as much as digits as its factorization.

140340103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776536.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140340103 is about 11846.5228231747. The cubic root of 140340103 is about 519.6695422590.

Adding to 140340103 its reverse (301043041), we get a palindrome (441383144).

The spelling of 140340103 in words is "one hundred forty million, three hundred forty thousand, one hundred three".

Divisors: 1 79 1776457 140340103