Base | Representation |
---|---|
bin | 110101000101… |
… | …0100100101100 |
3 | 1221100221100221 |
4 | 1222022210230 |
5 | 24111034242 |
6 | 2432301124 |
7 | 455361460 |
oct | 152124454 |
9 | 57327327 |
10 | 27830572 |
11 | 14789580 |
12 | 93a17a4 |
13 | 59c56c3 |
14 | 39a64a0 |
15 | 269b167 |
hex | 1a8a92c |
27830572 has 24 divisors (see below), whose sum is σ = 60721920. Its totient is φ = 10842960.
The previous prime is 27830563. The next prime is 27830587. The reversal of 27830572 is 27503872.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44872 + ... + 45487.
It is an arithmetic number, because the mean of its divisors is an integer number (2530080).
Almost surely, 227830572 is an apocalyptic number.
27830572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
27830572 is an abundant number, since it is smaller than the sum of its proper divisors (32891348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27830572 is a wasteful number, since it uses less digits than its factorization.
27830572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90381 (or 90379 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 34.
The square root of 27830572 is about 5275.4688891131. The cubic root of 27830572 is about 303.0451776501.
The spelling of 27830572 in words is "twenty-seven million, eight hundred thirty thousand, five hundred seventy-two".
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