Base | Representation |
---|---|
bin | 110100000110… |
… | …1101011001000 |
3 | 1220101221121020 |
4 | 1220031223020 |
5 | 23443201414 |
6 | 2413312440 |
7 | 451131120 |
oct | 150155310 |
9 | 56357536 |
10 | 27318984 |
11 | 1446a180 |
12 | 9195720 |
13 | 58768a4 |
14 | 38b1c80 |
15 | 25e97a9 |
hex | 1a0dac8 |
27318984 has 64 divisors (see below), whose sum is σ = 85155840. Its totient is φ = 7095360.
The previous prime is 27318971. The next prime is 27318989. The reversal of 27318984 is 48981372.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (27318989) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 5544 + ... + 9239.
It is an arithmetic number, because the mean of its divisors is an integer number (1330560).
Almost surely, 227318984 is an apocalyptic number.
27318984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
27318984 is an abundant number, since it is smaller than the sum of its proper divisors (57836856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27318984 is a wasteful number, since it uses less digits than its factorization.
27318984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14810 (or 14806 counting only the distinct ones).
The product of its digits is 96768, while the sum is 42.
The square root of 27318984 is about 5226.7565468462. The cubic root of 27318984 is about 301.1767999922.
The spelling of 27318984 in words is "twenty-seven million, three hundred eighteen thousand, nine hundred eighty-four".
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