Base | Representation |
---|---|
bin | 101101110001… |
… | …110111100100 |
3 | 211120200220212 |
4 | 231301313210 |
5 | 11033010430 |
6 | 1105114552 |
7 | 204001403 |
oct | 55616744 |
9 | 24520825 |
10 | 12000740 |
11 | 6857374 |
12 | 4028a58 |
13 | 264243b |
14 | 184563a |
15 | 10c0b95 |
hex | b71de4 |
12000740 has 24 divisors (see below), whose sum is σ = 25340280. Its totient is φ = 4773888.
The previous prime is 12000739. The next prime is 12000757. The reversal of 12000740 is 4700021.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1444 + 11999296 = 38^2 + 3464^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2306 + ... + 5414.
It is an arithmetic number, because the mean of its divisors is an integer number (1055845).
Almost surely, 212000740 is an apocalyptic number.
12000740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12000740 is an abundant number, since it is smaller than the sum of its proper divisors (13339540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12000740 is a wasteful number, since it uses less digits than its factorization.
12000740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3311 (or 3309 counting only the distinct ones).
The product of its (nonzero) digits is 56, while the sum is 14.
The square root of 12000740 is about 3464.2084232910. The cubic root of 12000740 is about 228.9475544614.
Adding to 12000740 its reverse (4700021), we get a palindrome (16700761).
The spelling of 12000740 in words is "twelve million, seven hundred forty", and thus it is an aban number.
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