Base | Representation |
---|---|
bin | 11011000101100… |
… | …00011011000100 |
3 | 120211112201110000 |
4 | 31202300123010 |
5 | 431131340134 |
6 | 34314001300 |
7 | 5426203350 |
oct | 1542603304 |
9 | 524481400 |
10 | 227215044 |
11 | 107291031 |
12 | 64116230 |
13 | 380c5794 |
14 | 22268460 |
15 | 14e32e99 |
hex | d8b06c4 |
227215044 has 60 divisors (see below), whose sum is σ = 678846784. Its totient is φ = 64917936.
The previous prime is 227215033. The next prime is 227215063. The reversal of 227215044 is 440512722.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 227214999 and 227215017.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47824 + ... + 52359.
Almost surely, 2227215044 is an apocalyptic number.
It is an amenable number.
227215044 is an abundant number, since it is smaller than the sum of its proper divisors (451631740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227215044 is a wasteful number, since it uses less digits than its factorization.
227215044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100206 (or 100195 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 27.
The square root of 227215044 is about 15073.6539697580. The cubic root of 227215044 is about 610.2095884653.
Adding to 227215044 its reverse (440512722), we get a palindrome (667727766).
The spelling of 227215044 in words is "two hundred twenty-seven million, two hundred fifteen thousand, forty-four".
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