Base | Representation |
---|---|
bin | 100110101010… |
… | …1010011111110 |
3 | 1102010221110222 |
4 | 1031111103332 |
5 | 20142204012 |
6 | 2002301342 |
7 | 334212104 |
oct | 115252376 |
9 | 42127428 |
10 | 20272382 |
11 | 10496a39 |
12 | 6957852 |
13 | 427a3c0 |
14 | 2999c74 |
15 | 1ba6972 |
hex | 13554fe |
20272382 has 8 divisors (see below), whose sum is σ = 32747736. Its totient is φ = 9356472.
The previous prime is 20272379. The next prime is 20272397. The reversal of 20272382 is 28327202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 779707 = 20272382 / (2 + 0 + 2 + 7 + 2 + 3 + 8 + 2).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389828 + ... + 389879.
It is an arithmetic number, because the mean of its divisors is an integer number (4093467).
Almost surely, 220272382 is an apocalyptic number.
20272382 is a deficient number, since it is larger than the sum of its proper divisors (12475354).
20272382 is a wasteful number, since it uses less digits than its factorization.
20272382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 779722.
The product of its (nonzero) digits is 2688, while the sum is 26.
The square root of 20272382 is about 4502.4862020888. The cubic root of 20272382 is about 272.6684736607.
Adding to 20272382 its reverse (28327202), we get a palindrome (48599584).
The spelling of 20272382 in words is "twenty million, two hundred seventy-two thousand, three hundred eighty-two".
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