Base | Representation |
---|---|
bin | 111001111111… |
… | …0111001100011 |
3 | 2010012200201022 |
4 | 1303332321203 |
5 | 30240413240 |
6 | 3003400055 |
7 | 516300653 |
oct | 163767143 |
9 | 63180638 |
10 | 30404195 |
11 | 16187138 |
12 | a22302b |
13 | 63b6c63 |
14 | 4076363 |
15 | 2a089b5 |
hex | 1cfee63 |
30404195 has 16 divisors (see below), whose sum is σ = 37756800. Its totient is φ = 23485824.
The previous prime is 30404189. The next prime is 30404201. The reversal of 30404195 is 59140403.
It is a Cunningham number, because it is equal to 55142-1.
It is an interprime number because it is at equal distance from previous prime (30404189) and next prime (30404201).
It is not a de Polignac number, because 30404195 - 212 = 30400099 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27014 + ... + 28116.
It is an arithmetic number, because the mean of its divisors is an integer number (2359800).
Almost surely, 230404195 is an apocalyptic number.
30404195 is a deficient number, since it is larger than the sum of its proper divisors (7352605).
30404195 is a wasteful number, since it uses less digits than its factorization.
30404195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1294.
The product of its (nonzero) digits is 2160, while the sum is 26.
The square root of 30404195 is about 5513.9999093217. Note that the first 4 decimals coincide. The cubic root of 30404195 is about 312.1125053118.
Adding to 30404195 its reverse (59140403), we get a palindrome (89544598).
The spelling of 30404195 in words is "thirty million, four hundred four thousand, one hundred ninety-five".
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