Base | Representation |
---|---|
bin | 110100000001… |
… | …0011000011010 |
3 | 1220022121011010 |
4 | 1220002120122 |
5 | 23440211410 |
6 | 2412314350 |
7 | 450546222 |
oct | 150023032 |
9 | 56277133 |
10 | 27272730 |
11 | 14438451 |
12 | 91729b6 |
13 | 585b814 |
14 | 389d082 |
15 | 25dac20 |
hex | 1a0261a |
27272730 has 16 divisors (see below), whose sum is σ = 65454624. Its totient is φ = 7272720.
The previous prime is 27272723. The next prime is 27272747. The reversal of 27272730 is 3727272.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 909091 = 27272730 / (2 + 7 + 2 + 7 + 2 + 7 + 3 + 0).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454516 + ... + 454575.
It is an arithmetic number, because the mean of its divisors is an integer number (4090914).
Almost surely, 227272730 is an apocalyptic number.
27272730 is an abundant number, since it is smaller than the sum of its proper divisors (38181894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27272730 is a wasteful number, since it uses less digits than its factorization.
27272730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 909101.
The product of its (nonzero) digits is 8232, while the sum is 30.
The square root of 27272730 is about 5222.3299397874. The cubic root of 27272730 is about 301.0067289880.
The spelling of 27272730 in words is "twenty-seven million, two hundred seventy-two thousand, seven hundred thirty".
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