Base | Representation |
---|---|
bin | 110100000001… |
… | …0011000100110 |
3 | 1220022121011120 |
4 | 1220002120212 |
5 | 23440211432 |
6 | 2412314410 |
7 | 450546240 |
oct | 150023046 |
9 | 56277146 |
10 | 27272742 |
11 | 14438462 |
12 | 9172a06 |
13 | 585b823 |
14 | 389d090 |
15 | 25dac2c |
hex | 1a02626 |
27272742 has 32 divisors (see below), whose sum is σ = 62840832. Its totient is φ = 7729344.
The previous prime is 27272723. The next prime is 27272747. The reversal of 27272742 is 24727272.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27272747) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2778 + ... + 7890.
It is an arithmetic number, because the mean of its divisors is an integer number (1963776).
Almost surely, 227272742 is an apocalyptic number.
27272742 is an abundant number, since it is smaller than the sum of its proper divisors (35568090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27272742 is a wasteful number, since it uses less digits than its factorization.
27272742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5252.
The product of its digits is 21952, while the sum is 33.
The square root of 27272742 is about 5222.3310886998. The cubic root of 27272742 is about 301.0067731356.
The spelling of 27272742 in words is "twenty-seven million, two hundred seventy-two thousand, seven hundred forty-two".
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