Base | Representation |
---|---|
bin | 1011010001010… |
… | …1000100100001 |
3 | 10021221200022011 |
4 | 2310111010201 |
5 | 44100202400 |
6 | 4405112521 |
7 | 1112543620 |
oct | 264250441 |
9 | 107850264 |
10 | 47272225 |
11 | 24758360 |
12 | 139b8741 |
13 | 9a41940 |
14 | 63c76b7 |
15 | 423b8ba |
hex | 2d15121 |
47272225 has 48 divisors (see below), whose sum is σ = 78744960. Its totient is φ = 27187200.
The previous prime is 47272217. The next prime is 47272231. The reversal of 47272225 is 52227274.
It is not a de Polignac number, because 47272225 - 23 = 47272217 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24081 + ... + 25969.
It is an arithmetic number, because the mean of its divisors is an integer number (1640520).
Almost surely, 247272225 is an apocalyptic number.
It is an amenable number.
47272225 is a deficient number, since it is larger than the sum of its proper divisors (31472735).
47272225 is a wasteful number, since it uses less digits than its factorization.
47272225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1930 (or 1925 counting only the distinct ones).
The product of its digits is 15680, while the sum is 31.
The square root of 47272225 is about 6875.4799832448. The cubic root of 47272225 is about 361.5780137167.
Adding to 47272225 its reverse (52227274), we get a palindrome (99499499).
It can be divided in two parts, 47 and 272225, that added together give a palindrome (272272).
The spelling of 47272225 in words is "forty-seven million, two hundred seventy-two thousand, two hundred twenty-five".
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