Base | Representation |
---|---|
bin | 1011001111000… |
… | …1001110101111 |
3 | 10021200012221001 |
4 | 2303301032233 |
5 | 44031003143 |
6 | 4402021131 |
7 | 1111362622 |
oct | 263611657 |
9 | 107605831 |
10 | 47125423 |
11 | 24668034 |
12 | 139477a7 |
13 | 99bcb87 |
14 | 6389db9 |
15 | 420d14d |
hex | 2cf13af |
47125423 has 4 divisors (see below), whose sum is σ = 47179440. Its totient is φ = 47071408.
The previous prime is 47125409. The next prime is 47125433. The reversal of 47125423 is 32452174.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32452174 = 2 ⋅16226087.
It is a cyclic number.
It is not a de Polignac number, because 47125423 - 25 = 47125391 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47125391 and 47125400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47125433) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25678 + ... + 27451.
It is an arithmetic number, because the mean of its divisors is an integer number (11794860).
Almost surely, 247125423 is an apocalyptic number.
47125423 is a deficient number, since it is larger than the sum of its proper divisors (54017).
47125423 is an equidigital number, since it uses as much as digits as its factorization.
47125423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54016.
The product of its digits is 6720, while the sum is 28.
The square root of 47125423 is about 6864.7959183067. The cubic root of 47125423 is about 361.2033369244.
Adding to 47125423 its reverse (32452174), we get a palindrome (79577597).
The spelling of 47125423 in words is "forty-seven million, one hundred twenty-five thousand, four hundred twenty-three".
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