Base | Representation |
---|---|
bin | 11011001011010… |
… | …11001110100001 |
3 | 120212222121000212 |
4 | 31211223032201 |
5 | 431330331233 |
6 | 34342223505 |
7 | 5435541200 |
oct | 1545531641 |
9 | 525877025 |
10 | 227980193 |
11 | 107763991 |
12 | 64424b95 |
13 | 38302b2c |
14 | 223c7237 |
15 | 15034a48 |
hex | d96b3a1 |
227980193 has 12 divisors (see below), whose sum is σ = 267145092. Its totient is φ = 193979520.
The previous prime is 227980187. The next prime is 227980237. The reversal of 227980193 is 391089722.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 61905424 + 166074769 = 7868^2 + 12887^2 .
It is not a de Polignac number, because 227980193 - 24 = 227980177 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 227980193.
It is not an unprimeable number, because it can be changed into a prime (227980133) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10268 + ... + 23693.
It is an arithmetic number, because the mean of its divisors is an integer number (22262091).
Almost surely, 2227980193 is an apocalyptic number.
It is an amenable number.
227980193 is a deficient number, since it is larger than the sum of its proper divisors (39164899).
227980193 is a wasteful number, since it uses less digits than its factorization.
227980193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34112 (or 34105 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 41.
The square root of 227980193 is about 15099.0129809865. The cubic root of 227980193 is about 610.8937833851.
The spelling of 227980193 in words is "two hundred twenty-seven million, nine hundred eighty thousand, one hundred ninety-three".
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