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12140044 = 2272232693
BaseRepresentation
bin101110010011…
…111000001100
3211211210000021
4232103320030
511101440134
61112111524
7205121500
oct56237014
924753007
1012140044
116941aa4
1240955a4
132690977
141880300
1510ec0b4
hexb93e0c

12140044 has 36 divisors (see below), whose sum is σ = 25797744. Its totient is φ = 4974816.

The previous prime is 12140039. The next prime is 12140047. The reversal of 12140044 is 44004121.

12140044 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

12140044 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (12140047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3162 + ... + 5854.

It is an arithmetic number, because the mean of its divisors is an integer number (716604).

Almost surely, 212140044 is an apocalyptic number.

12140044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12140044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12898872).

12140044 is an abundant number, since it is smaller than the sum of its proper divisors (13657700).

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

12140044 is a wasteful number, since it uses less digits than its factorization.

12140044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734 (or 2725 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 12140044 is about 3484.2565921585. The cubic root of 12140044 is about 229.8300193349.

Adding to 12140044 its reverse (44004121), we get a palindrome (56144165).

The spelling of 12140044 in words is "twelve million, one hundred forty thousand, forty-four".

Divisors: 1 2 4 7 14 23 28 46 49 92 98 161 196 322 644 1127 2254 2693 4508 5386 10772 18851 37702 61939 75404 123878 131957 247756 263914 433573 527828 867146 1734292 3035011 6070022 12140044