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140345014 = 270172507
BaseRepresentation
bin10000101110101…
…11111010110110
3100210002021011111
420113113322312
5241412020024
621532025234
73322625065
oct1027277266
9323067144
10140345014
1172248317
123b00221a
13230cb3b4
14148d41dc
15c4c3a94
hex85d7eb6

140345014 has 4 divisors (see below), whose sum is σ = 210517524. Its totient is φ = 70172506.

The previous prime is 140344999. The next prime is 140345017. The reversal of 140345014 is 410543041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 410543041 = 3181129061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140345017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35086252 + ... + 35086255.

It is an arithmetic number, because the mean of its divisors is an integer number (52629381).

Almost surely, 2140345014 is an apocalyptic number.

140345014 is a deficient number, since it is larger than the sum of its proper divisors (70172510).

140345014 is an equidigital number, since it uses as much as digits as its factorization.

140345014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70172509.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140345014 is about 11846.7300973729. The cubic root of 140345014 is about 519.6756038843.

Adding to 140345014 its reverse (410543041), we get a palindrome (550888055).

The spelling of 140345014 in words is "one hundred forty million, three hundred forty-five thousand, fourteen".

Divisors: 1 2 70172507 140345014