Base | Representation |
---|---|
bin | 1011100111011… |
… | …1000111010101 |
3 | 10101200100112221 |
4 | 2321313013111 |
5 | 44433104024 |
6 | 4500142341 |
7 | 1131063532 |
oct | 271670725 |
9 | 111610487 |
10 | 48722389 |
11 | 25558941 |
12 | 143979b1 |
13 | a12ba21 |
14 | 6683d89 |
15 | 44263e4 |
hex | 2e771d5 |
48722389 has 2 divisors, whose sum is σ = 48722390. Its totient is φ = 48722388.
The previous prime is 48722371. The next prime is 48722431. The reversal of 48722389 is 98322784.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 43956900 + 4765489 = 6630^2 + 2183^2 .
It is a cyclic number.
It is not a de Polignac number, because 48722389 - 29 = 48721877 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (48722329) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24361194 + 24361195.
It is an arithmetic number, because the mean of its divisors is an integer number (24361195).
Almost surely, 248722389 is an apocalyptic number.
It is an amenable number.
48722389 is a deficient number, since it is larger than the sum of its proper divisors (1).
48722389 is an equidigital number, since it uses as much as digits as its factorization.
48722389 is an evil number, because the sum of its binary digits is even.
The product of its digits is 193536, while the sum is 43.
The square root of 48722389 is about 6980.1424770559. The cubic root of 48722389 is about 365.2381981809.
The spelling of 48722389 in words is "forty-eight million, seven hundred twenty-two thousand, three hundred eighty-nine".
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