Base | Representation |
---|---|
bin | 10111111111001… |
… | …10000010110000 |
3 | 112000122001022200 |
4 | 23333212002300 |
5 | 403003022042 |
6 | 31544503200 |
7 | 4662226011 |
oct | 1377460260 |
9 | 460561280 |
10 | 201220272 |
11 | a3646850 |
12 | 5747ab00 |
13 | 328c3866 |
14 | 1ca1d008 |
15 | 129eac4c |
hex | bfe60b0 |
201220272 has 60 divisors (see below), whose sum is σ = 614336424. Its totient is φ = 60975360.
The previous prime is 201220249. The next prime is 201220289. The reversal of 201220272 is 272022102.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61933 + ... + 65100.
Almost surely, 2201220272 is an apocalyptic number.
201220272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
201220272 is an abundant number, since it is smaller than the sum of its proper divisors (413116152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201220272 is a wasteful number, since it uses less digits than its factorization.
201220272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127058 (or 127049 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 18.
The square root of 201220272 is about 14185.2131460898. The cubic root of 201220272 is about 585.9905025504.
Adding to 201220272 its reverse (272022102), we get a palindrome (473242374).
The spelling of 201220272 in words is "two hundred one million, two hundred twenty thousand, two hundred seventy-two".
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