Base | Representation |
---|---|
bin | 10000001110000… |
… | …111010000000100 |
3 | 200222001220021110 |
4 | 100032013100010 |
5 | 1024131311142 |
6 | 43000445020 |
7 | 6513053001 |
oct | 2016072004 |
9 | 628056243 |
10 | 272135172 |
11 | 12a682201 |
12 | 77179770 |
13 | 444c293a |
14 | 281dc8a8 |
15 | 18d5799c |
hex | 10387404 |
272135172 has 24 divisors (see below), whose sum is σ = 662590656. Its totient is φ = 86767648.
The previous prime is 272135153. The next prime is 272135179. The reversal of 272135172 is 271531272.
It is not an unprimeable number, because it can be changed into a prime (272135179) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492723 + ... + 493274.
It is an arithmetic number, because the mean of its divisors is an integer number (27607944).
Almost surely, 2272135172 is an apocalyptic number.
It is an amenable number.
272135172 is an abundant number, since it is smaller than the sum of its proper divisors (390455484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
272135172 is a wasteful number, since it uses less digits than its factorization.
272135172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 986027 (or 986025 counting only the distinct ones).
The product of its digits is 5880, while the sum is 30.
The square root of 272135172 is about 16496.5199966538. The cubic root of 272135172 is about 648.0296720905.
It can be divided in two parts, 27213 and 5172, that added together give a triangular number (32385 = T254).
The spelling of 272135172 in words is "two hundred seventy-two million, one hundred thirty-five thousand, one hundred seventy-two".
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