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12140893 = 22953017
BaseRepresentation
bin101110010100…
…000101011101
3211211211011201
4232110011131
511102002033
61112115501
7205124122
oct56240535
924754151
1012140893
1169426a6
124095b91
13269117b
141880749
1510ec47d
hexb9415d

12140893 has 4 divisors (see below), whose sum is σ = 12194140. Its totient is φ = 12087648.

The previous prime is 12140861. The next prime is 12140903. The reversal of 12140893 is 39804121.

It is a happy number.

12140893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11471769 + 669124 = 3387^2 + 818^2 .

It is a cyclic number.

It is not a de Polignac number, because 12140893 - 25 = 12140861 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 (12140813) 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, 26280 + ... + 26737.

It is an arithmetic number, because the mean of its divisors is an integer number (3048535).

Almost surely, 212140893 is an apocalyptic number.

It is an amenable number.

12140893 is a deficient number, since it is larger than the sum of its proper divisors (53247).

12140893 is an equidigital number, since it uses as much as digits as its factorization.

12140893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53246.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 12140893 is about 3484.3784237651. The cubic root of 12140893 is about 229.8353768426.

It can be divided in two parts, 121 and 40893, that added together give a palindrome (41014).

The spelling of 12140893 in words is "twelve million, one hundred forty thousand, eight hundred ninety-three".

Divisors: 1 229 53017 12140893