Base | Representation |
---|---|
bin | 111010010100… |
… | …1000111010101 |
3 | 2010112110220112 |
4 | 1310221013111 |
5 | 30311431414 |
6 | 3011212405 |
7 | 520621043 |
oct | 164510725 |
9 | 63473815 |
10 | 30577109 |
11 | 16295042 |
12 | a2a7105 |
13 | 6447884 |
14 | 40bd393 |
15 | 2a3ed3e |
hex | 1d291d5 |
30577109 has 2 divisors, whose sum is σ = 30577110. Its totient is φ = 30577108.
The previous prime is 30577087. The next prime is 30577111. The reversal of 30577109 is 90177503.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 25300900 + 5276209 = 5030^2 + 2297^2 .
It is a cyclic number.
It is not a de Polignac number, because 30577109 - 216 = 30511573 is a prime.
Together with 30577111, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30577139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15288554 + 15288555.
It is an arithmetic number, because the mean of its divisors is an integer number (15288555).
Almost surely, 230577109 is an apocalyptic number.
It is an amenable number.
30577109 is a deficient number, since it is larger than the sum of its proper divisors (1).
30577109 is an equidigital number, since it uses as much as digits as its factorization.
30577109 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6615, while the sum is 32.
The square root of 30577109 is about 5529.6572226495. The cubic root of 30577109 is about 312.7030667359.
The spelling of 30577109 in words is "thirty million, five hundred seventy-seven thousand, one hundred nine".
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