Base | Representation |
---|---|
bin | 111010011000… |
… | …1011010010101 |
3 | 2010121012112012 |
4 | 1310301122111 |
5 | 30314023333 |
6 | 3012034005 |
7 | 521122112 |
oct | 164613225 |
9 | 63535465 |
10 | 30611093 |
11 | 16308627 |
12 | a302905 |
13 | 645a196 |
14 | 40cb909 |
15 | 2a49e48 |
hex | 1d31695 |
30611093 has 2 divisors, whose sum is σ = 30611094. Its totient is φ = 30611092.
The previous prime is 30611083. The next prime is 30611123. The reversal of 30611093 is 39011603.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22448644 + 8162449 = 4738^2 + 2857^2 .
It is an emirp because it is prime and its reverse (39011603) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30611093 - 224 = 13833877 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30611003) 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, 15305546 + 15305547.
It is an arithmetic number, because the mean of its divisors is an integer number (15305547).
Almost surely, 230611093 is an apocalyptic number.
It is an amenable number.
30611093 is a deficient number, since it is larger than the sum of its proper divisors (1).
30611093 is an equidigital number, since it uses as much as digits as its factorization.
30611093 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 486, while the sum is 23.
The square root of 30611093 is about 5532.7292541747. The cubic root of 30611093 is about 312.8188719555.
Adding to 30611093 its reverse (39011603), we get a palindrome (69622696).
The spelling of 30611093 in words is "thirty million, six hundred eleven thousand, ninety-three".
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