Base | Representation |
---|---|
bin | 110101011001… |
… | …0000101000000 |
3 | 1221200011022222 |
4 | 1222302011000 |
5 | 24131224014 |
6 | 2435550212 |
7 | 456634310 |
oct | 152620500 |
9 | 57604288 |
10 | 27992384 |
11 | 1488a102 |
12 | 945b368 |
13 | 5a51254 |
14 | 3a09440 |
15 | 26ce08e |
hex | 1ab2140 |
27992384 has 28 divisors (see below), whose sum is σ = 63483744. Its totient is φ = 11996544.
The previous prime is 27992383. The next prime is 27992407. The reversal of 27992384 is 48329972.
27992384 = T105 + T106 + ... + T552.
It is a tau number, because it is divible by the number of its divisors (28).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27992383) 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, 30794 + ... + 31689.
Almost surely, 227992384 is an apocalyptic number.
It is an amenable number.
27992384 is an abundant number, since it is smaller than the sum of its proper divisors (35491360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27992384 is an equidigital number, since it uses as much as digits as its factorization.
27992384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62502 (or 62492 counting only the distinct ones).
The product of its digits is 217728, while the sum is 44.
The square root of 27992384 is about 5290.7829288301. The cubic root of 27992384 is about 303.6313629510.
The spelling of 27992384 in words is "twenty-seven million, nine hundred ninety-two thousand, three hundred eighty-four".
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