Base | Representation |
---|---|
bin | 111001011011… |
… | …0101010101001 |
3 | 2002122122212022 |
4 | 1302312222221 |
5 | 30201431304 |
6 | 2553154225 |
7 | 513626246 |
oct | 162665251 |
9 | 62578768 |
10 | 30108329 |
11 | 15aa4919 |
12 | a0bb975 |
13 | 63123a4 |
14 | 3dda5cd |
15 | 299aebe |
hex | 1cb6aa9 |
30108329 has 2 divisors, whose sum is σ = 30108330. Its totient is φ = 30108328.
The previous prime is 30108317. The next prime is 30108359. The reversal of 30108329 is 92380103.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 30085225 + 23104 = 5485^2 + 152^2 .
It is an emirp because it is prime and its reverse (92380103) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30108329 - 28 = 30108073 is a prime.
It is a super-2 number, since 2×301083292 = 1813022950344482, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30108298 and 30108307.
It is not a weakly prime, because it can be changed into another prime (30108359) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15054164 + 15054165.
It is an arithmetic number, because the mean of its divisors is an integer number (15054165).
Almost surely, 230108329 is an apocalyptic number.
It is an amenable number.
30108329 is a deficient number, since it is larger than the sum of its proper divisors (1).
30108329 is an equidigital number, since it uses as much as digits as its factorization.
30108329 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 30108329 is about 5487.1057033740. The cubic root of 30108329 is about 311.0968050914.
The spelling of 30108329 in words is "thirty million, one hundred eight thousand, three hundred twenty-nine".
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