Base | Representation |
---|---|
bin | 100111101110… |
… | …0110111101011 |
3 | 1110012011010121 |
4 | 1033130313223 |
5 | 20312441002 |
6 | 2022224111 |
7 | 342013642 |
oct | 117346753 |
9 | 43164117 |
10 | 20827627 |
11 | 10836117 |
12 | 6b85037 |
13 | 4413052 |
14 | 2aa2359 |
15 | 1c66237 |
hex | 13dcdeb |
20827627 has 8 divisors (see below), whose sum is σ = 22196736. Its totient is φ = 19497192.
The previous prime is 20827613. The next prime is 20827663. The reversal of 20827627 is 72672802.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-20827627 is a prime.
It is a super-2 number, since 2×208276272 = 867580092902258, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20827592 and 20827601.
It is not an unprimeable number, because it can be changed into a prime (20827607) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8553 + ... + 10714.
It is an arithmetic number, because the mean of its divisors is an integer number (2774592).
Almost surely, 220827627 is an apocalyptic number.
20827627 is a deficient number, since it is larger than the sum of its proper divisors (1369109).
20827627 is a wasteful number, since it uses less digits than its factorization.
20827627 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19337.
The product of its (nonzero) digits is 18816, while the sum is 34.
The square root of 20827627 is about 4563.7295055689. The cubic root of 20827627 is about 275.1354792504.
The spelling of 20827627 in words is "twenty million, eight hundred twenty-seven thousand, six hundred twenty-seven".
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