Base | Representation |
---|---|
bin | 111010001001… |
… | …0010101101011 |
3 | 2010100201221100 |
4 | 1310102111223 |
5 | 30300440234 |
6 | 3005212443 |
7 | 520052052 |
oct | 164222553 |
9 | 63321840 |
10 | 30483819 |
11 | 16230a43 |
12 | a261123 |
13 | 6414282 |
14 | 4097399 |
15 | 2a22399 |
hex | 1d1256b |
30483819 has 24 divisors (see below), whose sum is σ = 46696832. Its totient is φ = 19128960.
The previous prime is 30483799. The next prime is 30483821. The reversal of 30483819 is 91838403.
It is not a de Polignac number, because 30483819 - 215 = 30451051 is a prime.
It is a super-2 number, since 2×304838192 = 1858526441649522, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30483889) 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 in 23 ways as a sum of consecutive naturals, for example, 8847 + ... + 11799.
Almost surely, 230483819 is an apocalyptic number.
30483819 is a deficient number, since it is larger than the sum of its proper divisors (16213013).
30483819 is a wasteful number, since it uses less digits than its factorization.
30483819 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3027 (or 3024 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 30483819 is about 5521.2153553362. The cubic root of 30483819 is about 312.3847263369.
The spelling of 30483819 in words is "thirty million, four hundred eighty-three thousand, eight hundred nineteen".
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