Base | Representation |
---|---|
bin | 110011110000… |
… | …1111010011000 |
3 | 1220001211201102 |
4 | 1213201322120 |
5 | 23421432421 |
6 | 2405410532 |
7 | 446453411 |
oct | 147417230 |
9 | 56054642 |
10 | 27139736 |
11 | 14357538 |
12 | 9109a48 |
13 | 5813120 |
14 | 3866808 |
15 | 25b160b |
hex | 19e1e98 |
27139736 has 16 divisors (see below), whose sum is σ = 54801600. Its totient is φ = 12525984.
The previous prime is 27139729. The next prime is 27139741. The reversal of 27139736 is 63793172.
It is a self number, because there is not a number n which added to its sum of digits gives 27139736.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 130376 + ... + 130583.
It is an arithmetic number, because the mean of its divisors is an integer number (3425100).
Almost surely, 227139736 is an apocalyptic number.
27139736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
27139736 is an abundant number, since it is smaller than the sum of its proper divisors (27661864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27139736 is a wasteful number, since it uses less digits than its factorization.
27139736 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260978 (or 260974 counting only the distinct ones).
The product of its digits is 47628, while the sum is 38.
The square root of 27139736 is about 5209.5811731847. The cubic root of 27139736 is about 300.5166504709.
The spelling of 27139736 in words is "twenty-seven million, one hundred thirty-nine thousand, seven hundred thirty-six".
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