Base | Representation |
---|---|
bin | 1010001101110… |
… | …1101010000101 |
3 | 2222122001110012 |
4 | 2203131222011 |
5 | 41432212244 |
6 | 4130240005 |
7 | 1030140611 |
oct | 243355205 |
9 | 88561405 |
10 | 42850949 |
11 | 22208609 |
12 | 12426005 |
13 | 8b543bb |
14 | 5996341 |
15 | 3b6689e |
hex | 28dda85 |
42850949 has 2 divisors, whose sum is σ = 42850950. Its totient is φ = 42850948.
The previous prime is 42850937. The next prime is 42850961. The reversal of 42850949 is 94905824.
42850949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a balanced prime because it is at equal distance from previous prime (42850937) and next prime (42850961).
It can be written as a sum of positive squares in only one way, i.e., 42837025 + 13924 = 6545^2 + 118^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42850949 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42852949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21425474 + 21425475.
It is an arithmetic number, because the mean of its divisors is an integer number (21425475).
Almost surely, 242850949 is an apocalyptic number.
It is an amenable number.
42850949 is a deficient number, since it is larger than the sum of its proper divisors (1).
42850949 is an equidigital number, since it uses as much as digits as its factorization.
42850949 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 103680, while the sum is 41.
The square root of 42850949 is about 6546.0636263330. The cubic root of 42850949 is about 349.9345428610.
The spelling of 42850949 in words is "forty-two million, eight hundred fifty thousand, nine hundred forty-nine".
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