Base | Representation |
---|---|
bin | 101111100100… |
… | …101100011101 |
3 | 212110121002110 |
4 | 233210230131 |
5 | 11143033234 |
6 | 1123144233 |
7 | 211000542 |
oct | 57445435 |
9 | 25417073 |
10 | 12471069 |
11 | 7048776 |
12 | 4215079 |
13 | 2778540 |
14 | 1928bc9 |
15 | 11651e9 |
hex | be4b1d |
12471069 has 16 divisors (see below), whose sum is σ = 18051264. Its totient is φ = 7612800.
The previous prime is 12471031. The next prime is 12471071. The reversal of 12471069 is 96017421.
It is a happy number.
It is not a de Polignac number, because 12471069 - 212 = 12466973 is a prime.
It is a super-2 number, since 2×124710692 = 311055124005522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12471089) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3889 + ... + 6329.
It is an arithmetic number, because the mean of its divisors is an integer number (1128204).
Almost surely, 212471069 is an apocalyptic number.
It is an amenable number.
12471069 is a deficient number, since it is larger than the sum of its proper divisors (5580195).
12471069 is a wasteful number, since it uses less digits than its factorization.
12471069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2588.
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 12471069 is about 3531.4400745305. The cubic root of 12471069 is about 231.9002556265.
The spelling of 12471069 in words is "twelve million, four hundred seventy-one thousand, sixty-nine".
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