Base | Representation |
---|---|
bin | 111001010011… |
… | …1001100110001 |
3 | 2002112102221221 |
4 | 1302213030301 |
5 | 30142414402 |
6 | 2551545041 |
7 | 513243454 |
oct | 162471461 |
9 | 62472857 |
10 | 30044977 |
11 | 15a61266 |
12 | a08b181 |
13 | 62bc5c1 |
14 | 3dc149b |
15 | 2987337 |
hex | 1ca7331 |
30044977 has 2 divisors, whose sum is σ = 30044978. Its totient is φ = 30044976.
The previous prime is 30044953. The next prime is 30045007. The reversal of 30044977 is 77944003.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28826161 + 1218816 = 5369^2 + 1104^2 .
It is a cyclic number.
It is not a de Polignac number, because 30044977 - 27 = 30044849 is a prime.
It is equal to p1860496 and since 30044977 and 1860496 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (30054977) 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, 15022488 + 15022489.
It is an arithmetic number, because the mean of its divisors is an integer number (15022489).
Almost surely, 230044977 is an apocalyptic number.
It is an amenable number.
30044977 is a deficient number, since it is larger than the sum of its proper divisors (1).
30044977 is an equidigital number, since it uses as much as digits as its factorization.
30044977 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 21168, while the sum is 34.
The square root of 30044977 is about 5481.3298568869. The cubic root of 30044977 is about 310.8784552768.
The spelling of 30044977 in words is "thirty million, forty-four thousand, nine hundred seventy-seven".
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