Base | Representation |
---|---|
bin | 1011010100000… |
… | …0110001101001 |
3 | 10022021202212101 |
4 | 2311000301221 |
5 | 44121414431 |
6 | 4413013401 |
7 | 1114220545 |
oct | 265006151 |
9 | 108252771 |
10 | 47451241 |
11 | 2486a902 |
12 | 13a84261 |
13 | 9aa5276 |
14 | 6432a25 |
15 | 4274961 |
hex | 2d40c69 |
47451241 has 4 divisors (see below), whose sum is σ = 48101332. Its totient is φ = 46801152.
The previous prime is 47451203. The next prime is 47451251. The reversal of 47451241 is 14215474.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 34339600 + 13111641 = 5860^2 + 3621^2 .
It is a cyclic number.
It is not a de Polignac number, because 47451241 - 29 = 47450729 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47451251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324936 + ... + 325081.
It is an arithmetic number, because the mean of its divisors is an integer number (12025333).
Almost surely, 247451241 is an apocalyptic number.
It is an amenable number.
47451241 is a deficient number, since it is larger than the sum of its proper divisors (650091).
47451241 is an equidigital number, since it uses as much as digits as its factorization.
47451241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 650090.
The product of its digits is 4480, while the sum is 28.
The square root of 47451241 is about 6888.4861181540. The cubic root of 47451241 is about 362.0338607765.
It can be divided in two parts, 474 and 51241, that added together give a palindrome (51715).
The spelling of 47451241 in words is "forty-seven million, four hundred fifty-one thousand, two hundred forty-one".
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