Base | Representation |
---|---|
bin | 110101000101… |
… | …0000100010101 |
3 | 1221100211112020 |
4 | 1222022010111 |
5 | 24111003001 |
6 | 2432243353 |
7 | 455352441 |
oct | 152120425 |
9 | 57324466 |
10 | 27828501 |
11 | 14787a68 |
12 | 93a0559 |
13 | 59c478c |
14 | 39a5821 |
15 | 269a736 |
hex | 1a8a115 |
27828501 has 8 divisors (see below), whose sum is σ = 37332960. Its totient is φ = 18438192.
The previous prime is 27828497. The next prime is 27828529. The reversal of 27828501 is 10582872.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 27828501 - 22 = 27828497 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27828001) 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, 27966 + ... + 28943.
It is an arithmetic number, because the mean of its divisors is an integer number (4666620).
Almost surely, 227828501 is an apocalyptic number.
It is an amenable number.
27828501 is a deficient number, since it is larger than the sum of its proper divisors (9504459).
27828501 is a wasteful number, since it uses less digits than its factorization.
27828501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57075.
The product of its (nonzero) digits is 8960, while the sum is 33.
The square root of 27828501 is about 5275.2725995914. The cubic root of 27828501 is about 303.0376604716.
The spelling of 27828501 in words is "twenty-seven million, eight hundred twenty-eight thousand, five hundred one".
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