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12143060 = 225607153
BaseRepresentation
bin101110010100…
…100111010100
3211211221010222
4232110213110
511102034220
61112133512
7205133336
oct56244724
924757128
1012143060
116944296
124097298
132692157
141881456
1510ece25
hexb949d4

12143060 has 12 divisors (see below), whose sum is σ = 25500468. Its totient is φ = 4857216.

The previous prime is 12143023. The next prime is 12143063. The reversal of 12143060 is 6034121.

12143060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2421136 + 9721924 = 1556^2 + 3118^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143063) 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, 303557 + ... + 303596.

It is an arithmetic number, because the mean of its divisors is an integer number (2125039).

Almost surely, 212143060 is an apocalyptic number.

12143060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12143060 is an abundant number, since it is smaller than the sum of its proper divisors (13357408).

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

12143060 is a wasteful number, since it uses less digits than its factorization.

12143060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607162 (or 607160 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 12143060 is about 3484.6893692265. The cubic root of 12143060 is about 229.8490502913.

Adding to 12143060 its reverse (6034121), we get a palindrome (18177181).

The spelling of 12143060 in words is "twelve million, one hundred forty-three thousand, sixty".

Divisors: 1 2 4 5 10 20 607153 1214306 2428612 3035765 6071530 12143060