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140814 = 2327823
BaseRepresentation
bin100010011000001110
321011011100
4202120032
514001224
63003530
71124352
oct423016
9234140
10140814
1196883
12695a6
134c12b
1439462
152bac9
hex2260e

140814 has 12 divisors (see below), whose sum is σ = 305136. Its totient is φ = 46932.

The previous prime is 140813. The next prime is 140827. The reversal of 140814 is 418041.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7823 = 140814 / (1 + 4 + 0 + 8 + 1 + 4).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140814.

It is not an unprimeable number, because it can be changed into a prime (140813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3894 + ... + 3929.

It is an arithmetic number, because the mean of its divisors is an integer number (25428).

2140814 is an apocalyptic number.

140814 is an abundant number, since it is smaller than the sum of its proper divisors (164322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140814 is a wasteful number, since it uses less digits than its factorization.

140814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7831 (or 7828 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 140814 is about 375.2519153849. The cubic root of 140814 is about 52.0253820859.

Adding to 140814 its reverse (418041), we get a palindrome (558855).

The spelling of 140814 in words is "one hundred forty thousand, eight hundred fourteen".

Divisors: 1 2 3 6 9 18 7823 15646 23469 46938 70407 140814