Base | Representation |
---|---|
bin | 110101011001… |
… | …1001110011010 |
3 | 1221200101202222 |
4 | 1222303032122 |
5 | 24131401312 |
6 | 2440024042 |
7 | 456654101 |
oct | 152631632 |
9 | 57611688 |
10 | 27997082 |
11 | 14892693 |
12 | 9462022 |
13 | 5a53429 |
14 | 3a0b038 |
15 | 26d0672 |
hex | 1ab339a |
27997082 has 8 divisors (see below), whose sum is σ = 42179700. Its totient is φ = 13937184.
The previous prime is 27997069. The next prime is 27997087. The reversal of 27997082 is 28079972.
It can be written as a sum of positive squares in 2 ways, for example, as 27994681 + 2401 = 5291^2 + 49^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (27997087) 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, 30107 + ... + 31022.
Almost surely, 227997082 is an apocalyptic number.
27997082 is a deficient number, since it is larger than the sum of its proper divisors (14182618).
27997082 is a wasteful number, since it uses less digits than its factorization.
27997082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61360.
The product of its (nonzero) digits is 127008, while the sum is 44.
The square root of 27997082 is about 5291.2268898621. The cubic root of 27997082 is about 303.6483482894.
The spelling of 27997082 in words is "twenty-seven million, nine hundred ninety-seven thousand, eighty-two".
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