Base | Representation |
---|---|
bin | 101101110100… |
… | …111110001010 |
3 | 211121100100121 |
4 | 231310332022 |
5 | 11033412300 |
6 | 1105253454 |
7 | 204053431 |
oct | 55647612 |
9 | 24540317 |
10 | 12013450 |
11 | 6865979 |
12 | 403428a |
13 | 2648167 |
14 | 184a118 |
15 | 10c481a |
hex | b74f8a |
12013450 has 24 divisors (see below), whose sum is σ = 22584492. Its totient is φ = 4753920.
The previous prime is 12013447. The next prime is 12013459. The reversal of 12013450 is 5431021.
It can be written as a sum of positive squares in 6 ways, for example, as 4044121 + 7969329 = 2011^2 + 2823^2 .
It is not an unprimeable number, because it can be changed into a prime (12013459) 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, 3612 + ... + 6088.
Almost surely, 212013450 is an apocalyptic number.
12013450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12013450 is a deficient number, since it is larger than the sum of its proper divisors (10571042).
12013450 is a wasteful number, since it uses less digits than its factorization.
12013450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2586 (or 2581 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 12013450 is about 3466.0424117428. The cubic root of 12013450 is about 229.0283521655.
Adding to 12013450 its reverse (5431021), we get a palindrome (17444471).
The spelling of 12013450 in words is "twelve million, thirteen thousand, four hundred fifty".
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