Base | Representation |
---|---|
bin | 101101111111… |
… | …000011001011 |
3 | 211200102222112 |
4 | 231333003023 |
5 | 11041222411 |
6 | 1110212535 |
7 | 204314663 |
oct | 55770313 |
9 | 24612875 |
10 | 12054731 |
11 | 6893997 |
12 | 405414b |
13 | 2660ba0 |
14 | 185b1a3 |
15 | 10d1b8b |
hex | b7f0cb |
12054731 has 4 divisors (see below), whose sum is σ = 12982032. Its totient is φ = 11127432.
The previous prime is 12054677. The next prime is 12054733. The reversal of 12054731 is 13745021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13745021 = 431 ⋅31891.
It is a cyclic number.
It is not a de Polignac number, because 12054731 - 26 = 12054667 is a prime.
It is a super-2 number, since 2×120547312 = 290633078964722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12054697 and 12054706.
It is not an unprimeable number, because it can be changed into a prime (12054733) 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, 463631 + ... + 463656.
It is an arithmetic number, because the mean of its divisors is an integer number (3245508).
Almost surely, 212054731 is an apocalyptic number.
12054731 is a deficient number, since it is larger than the sum of its proper divisors (927301).
12054731 is an equidigital number, since it uses as much as digits as its factorization.
12054731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 927300.
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 12054731 is about 3471.9923675031. The cubic root of 12054731 is about 229.2903837697.
Adding to 12054731 its reverse (13745021), we get a palindrome (25799752).
The spelling of 12054731 in words is "twelve million, fifty-four thousand, seven hundred thirty-one".
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