Base | Representation |
---|---|
bin | 100110100101… |
… | …1011010010011 |
3 | 1102001212211221 |
4 | 1031023122103 |
5 | 20134404302 |
6 | 2001345511 |
7 | 333652630 |
oct | 115133223 |
9 | 42055757 |
10 | 20231827 |
11 | 10469520 |
12 | 6938297 |
13 | 4264ac5 |
14 | 2989187 |
15 | 1b99937 |
hex | 134b693 |
20231827 has 16 divisors (see below), whose sum is σ = 26553600. Its totient is φ = 14934240.
The previous prime is 20231807. The next prime is 20231839. The reversal of 20231827 is 72813202.
It is a cyclic number.
It is not a de Polignac number, because 20231827 - 215 = 20199059 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20231807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5452 + ... + 8377.
It is an arithmetic number, because the mean of its divisors is an integer number (1659600).
Almost surely, 220231827 is an apocalyptic number.
20231827 is a deficient number, since it is larger than the sum of its proper divisors (6321773).
20231827 is a wasteful number, since it uses less digits than its factorization.
20231827 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13866.
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 20231827 is about 4497.9803245457. The cubic root of 20231827 is about 272.4865274039.
The spelling of 20231827 in words is "twenty million, two hundred thirty-one thousand, eight hundred twenty-seven".
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