Base | Representation |
---|---|
bin | 1011010001111… |
… | …0111000101001 |
3 | 10022000201110001 |
4 | 2310132320221 |
5 | 44102444200 |
6 | 4410023001 |
7 | 1113102046 |
oct | 264367051 |
9 | 108021401 |
10 | 47312425 |
11 | 24785586 |
12 | 13a17a61 |
13 | 9a57024 |
14 | 63d81cd |
15 | 424876a |
hex | 2d1ee29 |
47312425 has 6 divisors (see below), whose sum is σ = 58667438. Its totient is φ = 37849920.
The previous prime is 47312423. The next prime is 47312459. The reversal of 47312425 is 52421374.
It can be written as a sum of positive squares in 3 ways, for example, as 5890329 + 41422096 = 2427^2 + 6436^2 .
It is not a de Polignac number, because 47312425 - 21 = 47312423 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47312393 and 47312402.
It is not an unprimeable number, because it can be changed into a prime (47312423) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 946224 + ... + 946273.
Almost surely, 247312425 is an apocalyptic number.
It is an amenable number.
47312425 is a deficient number, since it is larger than the sum of its proper divisors (11355013).
47312425 is a wasteful number, since it uses less digits than its factorization.
47312425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1892507 (or 1892502 counting only the distinct ones).
The product of its digits is 6720, while the sum is 28.
The square root of 47312425 is about 6878.4027942539. The cubic root of 47312425 is about 361.6804792259.
Adding to 47312425 its reverse (52421374), we get a palindrome (99733799).
The spelling of 47312425 in words is "forty-seven million, three hundred twelve thousand, four hundred twenty-five".
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