Base | Representation |
---|---|
bin | 110100010101… |
… | …1111001101101 |
3 | 1220122020102220 |
4 | 1220223321231 |
5 | 24011132142 |
6 | 2420105553 |
7 | 452155104 |
oct | 150537155 |
9 | 56566386 |
10 | 27442797 |
11 | 145441a8 |
12 | 92352b9 |
13 | 58bb055 |
14 | 390503b |
15 | 26212ec |
hex | 1a2be6d |
27442797 has 8 divisors (see below), whose sum is σ = 36870240. Its totient is φ = 18155280.
The previous prime is 27442769. The next prime is 27442799. The reversal of 27442797 is 79724472.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 27442797 - 26 = 27442733 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27442799) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34522 + ... + 35307.
It is an arithmetic number, because the mean of its divisors is an integer number (4608780).
Almost surely, 227442797 is an apocalyptic number.
It is an amenable number.
27442797 is a deficient number, since it is larger than the sum of its proper divisors (9427443).
27442797 is a wasteful number, since it uses less digits than its factorization.
27442797 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69963.
The product of its digits is 197568, while the sum is 42.
The square root of 27442797 is about 5238.5873095712. The cubic root of 27442797 is about 301.6311044771.
It can be divided in two parts, 274 and 42797, that added together give a triangular number (43071 = T293).
The spelling of 27442797 in words is "twenty-seven million, four hundred forty-two thousand, seven hundred ninety-seven".
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