Base | Representation |
---|---|
bin | 111010010000… |
… | …0001001000111 |
3 | 2010110121111102 |
4 | 1310200021013 |
5 | 30304242414 |
6 | 3010330315 |
7 | 520405643 |
oct | 164401107 |
9 | 63417442 |
10 | 30540359 |
11 | 1626a473 |
12 | a28999b |
13 | 6433c25 |
14 | 40adc23 |
15 | 2a33ede |
hex | 1d20247 |
30540359 has 2 divisors, whose sum is σ = 30540360. Its totient is φ = 30540358.
The previous prime is 30540337. The next prime is 30540361. The reversal of 30540359 is 95304503.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30540359 - 216 = 30474823 is a prime.
Together with 30540361, it forms a pair of twin primes.
It is a Chen prime.
It is equal to p1889300 and since 30540359 and 1889300 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30540329) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15270179 + 15270180.
It is an arithmetic number, because the mean of its divisors is an integer number (15270180).
Almost surely, 230540359 is an apocalyptic number.
30540359 is a deficient number, since it is larger than the sum of its proper divisors (1).
30540359 is an equidigital number, since it uses as much as digits as its factorization.
30540359 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8100, while the sum is 29.
The square root of 30540359 is about 5526.3332328046. Note that the first 3 decimals coincide. The cubic root of 30540359 is about 312.5777393795.
The spelling of 30540359 in words is "thirty million, five hundred forty thousand, three hundred fifty-nine".
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