Base | Representation |
---|---|
bin | 101101110111… |
… | …011010000110 |
3 | 211121212001020 |
4 | 231313122012 |
5 | 11034222210 |
6 | 1105412010 |
7 | 204124506 |
oct | 55673206 |
9 | 24555036 |
10 | 12023430 |
11 | 6872421 |
12 | 403a006 |
13 | 264c873 |
14 | 184da06 |
15 | 10c7770 |
hex | b77686 |
12023430 has 32 divisors (see below), whose sum is σ = 29030400. Its totient is φ = 3186912.
The previous prime is 12023419. The next prime is 12023461. The reversal of 12023430 is 3432021.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4251 + ... + 6489.
It is an arithmetic number, because the mean of its divisors is an integer number (907200).
Almost surely, 212023430 is an apocalyptic number.
12023430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12023430 is an abundant number, since it is smaller than the sum of its proper divisors (17006970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12023430 is a wasteful number, since it uses less digits than its factorization.
12023430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2428.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 12023430 is about 3467.4817951937. The cubic root of 12023430 is about 229.0917552764.
Adding to 12023430 its reverse (3432021), we get a palindrome (15455451).
The spelling of 12023430 in words is "twelve million, twenty-three thousand, four hundred thirty".
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