Base | Representation |
---|---|
bin | 10000010001010… |
… | …011100110110001 |
3 | 201000122102110211 |
4 | 100101103212301 |
5 | 1024340102314 |
6 | 43030424121 |
7 | 6523140226 |
oct | 2021234661 |
9 | 630572424 |
10 | 272972209 |
11 | 1300a4074 |
12 | 77502041 |
13 | 44726923 |
14 | 2837994d |
15 | 18e709c4 |
hex | 104539b1 |
272972209 has 8 divisors (see below), whose sum is σ = 277112448. Its totient is φ = 268840320.
The previous prime is 272972159. The next prime is 272972233. The reversal of 272972209 is 902279272.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 272972209 - 213 = 272964017 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (272972269) 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, 101409 + ... + 104065.
It is an arithmetic number, because the mean of its divisors is an integer number (34639056).
Almost surely, 2272972209 is an apocalyptic number.
It is an amenable number.
272972209 is a deficient number, since it is larger than the sum of its proper divisors (4140239).
272972209 is a wasteful number, since it uses less digits than its factorization.
272972209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4175.
The product of its (nonzero) digits is 63504, while the sum is 40.
The square root of 272972209 is about 16521.8706265362. The cubic root of 272972209 is about 648.6933981652.
The spelling of 272972209 in words is "two hundred seventy-two million, nine hundred seventy-two thousand, two hundred nine".
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