Base | Representation |
---|---|
bin | 110011110010… |
… | …1011010100000 |
3 | 1220002120101200 |
4 | 1213211122200 |
5 | 23422412310 |
6 | 2410001200 |
7 | 446543262 |
oct | 147453240 |
9 | 56076350 |
10 | 27154080 |
11 | 14367298 |
12 | 9116200 |
13 | 5819805 |
14 | 386bb32 |
15 | 25b59c0 |
hex | 19e56a0 |
27154080 has 144 divisors (see below), whose sum is σ = 94053960. Its totient is φ = 7133184.
The previous prime is 27154051. The next prime is 27154081. The reversal of 27154080 is 8045172.
It can be written as a sum of positive squares in 4 ways, for example, as 26749584 + 404496 = 5172^2 + 636^2 .
It is a tau number, because it is divible by the number of its divisors (144).
It is not an unprimeable number, because it can be changed into a prime (27154081) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156874 + ... + 157046.
Almost surely, 227154080 is an apocalyptic number.
27154080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27154080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47026980).
27154080 is an abundant number, since it is smaller than the sum of its proper divisors (66899880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27154080 is a wasteful number, since it uses less digits than its factorization.
27154080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 303 (or 292 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 27154080 is about 5210.9576854931. The cubic root of 27154080 is about 300.5695845604.
The spelling of 27154080 in words is "twenty-seven million, one hundred fifty-four thousand, eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •