Base | Representation |
---|---|
bin | 11011001000001… |
… | …01101011010100 |
3 | 120212012110110100 |
4 | 31210011223110 |
5 | 431224023434 |
6 | 34325254100 |
7 | 5432156415 |
oct | 1544055324 |
9 | 525173410 |
10 | 227564244 |
11 | 1074aa426 |
12 | 64264330 |
13 | 381b86cb |
14 | 2231980c |
15 | 14ea1699 |
hex | d905ad4 |
227564244 has 36 divisors (see below), whose sum is σ = 609070644. Its totient is φ = 71392512.
The previous prime is 227564237. The next prime is 227564257. The reversal of 227564244 is 442465722.
227564244 is a `hidden beast` number, since 2 + 2 + 7 + 5 + 642 + 4 + 4 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 154256400 + 73307844 = 12420^2 + 8562^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-3 number, since 3×2275642443 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 227564199 and 227564208.
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 11 ways as a sum of consecutive naturals, for example, 185307 + ... + 186530.
It is an arithmetic number, because the mean of its divisors is an integer number (16918629).
Almost surely, 2227564244 is an apocalyptic number.
It is an amenable number.
227564244 is an abundant number, since it is smaller than the sum of its proper divisors (381506400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227564244 is a wasteful number, since it uses less digits than its factorization.
227564244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 371864 (or 371859 counting only the distinct ones).
The product of its digits is 107520, while the sum is 36.
The square root of 227564244 is about 15085.2326465322. The cubic root of 227564244 is about 610.5220327416.
It can be divided in two parts, 22756 and 4244, that added together give a cube (27000 = 303).
The spelling of 227564244 in words is "two hundred twenty-seven million, five hundred sixty-four thousand, two hundred forty-four".
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