Base | Representation |
---|---|
bin | 10000001110001… |
… | …001101001011110 |
3 | 200222002101202002 |
4 | 100032021221132 |
5 | 1024132114430 |
6 | 43001002302 |
7 | 6513123425 |
oct | 2016115136 |
9 | 628071662 |
10 | 272144990 |
11 | 12a689617 |
12 | 77183392 |
13 | 444c7250 |
14 | 282022bc |
15 | 18d5a845 |
hex | 10389a5e |
272144990 has 64 divisors (see below), whose sum is σ = 560770560. Its totient is φ = 94348800.
The previous prime is 272144911. The next prime is 272145007. The reversal of 272144990 is 99441272.
It is a Curzon number.
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 31 ways as a sum of consecutive naturals, for example, 138515 + ... + 140465.
It is an arithmetic number, because the mean of its divisors is an integer number (8762040).
Almost surely, 2272144990 is an apocalyptic number.
272144990 is an abundant number, since it is smaller than the sum of its proper divisors (288625570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
272144990 is a wasteful number, since it uses less digits than its factorization.
272144990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2037.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 272144990 is about 16496.8175718834. The cubic root of 272144990 is about 648.0374651280.
The spelling of 272144990 in words is "two hundred seventy-two million, one hundred forty-four thousand, nine hundred ninety".
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