Base | Representation |
---|---|
bin | 1011101011010… |
… | …0010101000001 |
3 | 10102011002111022 |
4 | 2322310111001 |
5 | 100014114441 |
6 | 4505355225 |
7 | 1133156531 |
oct | 272642501 |
9 | 112132438 |
10 | 48973121 |
11 | 2570a25a |
12 | 14498b15 |
13 | a1b8ba2 |
14 | 670b4c1 |
15 | 447584b |
hex | 2eb4541 |
48973121 has 2 divisors, whose sum is σ = 48973122. Its totient is φ = 48973120.
The previous prime is 48973103. The next prime is 48973123. The reversal of 48973121 is 12137984.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28143025 + 20830096 = 5305^2 + 4564^2 .
It is a cyclic number.
It is not a de Polignac number, because 48973121 - 214 = 48956737 is a prime.
It is a Sophie Germain prime.
Together with 48973123, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (48973123) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24486560 + 24486561.
It is an arithmetic number, because the mean of its divisors is an integer number (24486561).
Almost surely, 248973121 is an apocalyptic number.
It is an amenable number.
48973121 is a deficient number, since it is larger than the sum of its proper divisors (1).
48973121 is an equidigital number, since it uses as much as digits as its factorization.
48973121 is an evil number, because the sum of its binary digits is even.
The product of its digits is 12096, while the sum is 35.
The square root of 48973121 is about 6998.0798080616. The cubic root of 48973121 is about 365.8636482346.
It can be divided in two parts, 48973 and 121, that added together give a palindrome (49094).
The spelling of 48973121 in words is "forty-eight million, nine hundred seventy-three thousand, one hundred twenty-one".
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