Base | Representation |
---|---|
bin | 111010001101… |
… | …0111100110001 |
3 | 2010102112022122 |
4 | 1310122330301 |
5 | 30303102324 |
6 | 3010044025 |
7 | 520256636 |
oct | 164327461 |
9 | 63375278 |
10 | 30519089 |
11 | 16255497 |
12 | a279615 |
13 | 6427343 |
14 | 40a618d |
15 | 2a2ca5e |
hex | 1d1af31 |
30519089 has 2 divisors, whose sum is σ = 30519090. Its totient is φ = 30519088.
The previous prime is 30519077. The next prime is 30519101. The reversal of 30519089 is 98091503.
It is a balanced prime because it is at equal distance from previous prime (30519077) and next prime (30519101).
It can be written as a sum of positive squares in only one way, i.e., 29866225 + 652864 = 5465^2 + 808^2 .
It is a cyclic number.
It is not a de Polignac number, because 30519089 - 28 = 30518833 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30519589) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15259544 + 15259545.
It is an arithmetic number, because the mean of its divisors is an integer number (15259545).
Almost surely, 230519089 is an apocalyptic number.
It is an amenable number.
30519089 is a deficient number, since it is larger than the sum of its proper divisors (1).
30519089 is an equidigital number, since it uses as much as digits as its factorization.
30519089 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9720, while the sum is 35.
The square root of 30519089 is about 5524.4084751220. The cubic root of 30519089 is about 312.5051570349.
The spelling of 30519089 in words is "thirty million, five hundred nineteen thousand, eighty-nine".
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