Base | Representation |
---|---|
bin | 100100111110… |
… | …0000000111010 |
3 | 1100110201120002 |
4 | 1021330000322 |
5 | 14430213310 |
6 | 1531233002 |
7 | 323514152 |
oct | 111740072 |
9 | 40421502 |
10 | 19382330 |
11 | aa39260 |
12 | 65a8762 |
13 | 4028246 |
14 | 2807762 |
15 | 1a7cda5 |
hex | 127c03a |
19382330 has 64 divisors (see below), whose sum is σ = 40808448. Its totient is φ = 6557760.
The previous prime is 19382317. The next prime is 19382333. The reversal of 19382330 is 3328391.
It is a junction number, because it is equal to n+sod(n) for n = 19382293 and 19382302.
It is not an unprimeable number, because it can be changed into a prime (19382333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118829 + ... + 118991.
It is an arithmetic number, because the mean of its divisors is an integer number (637632).
Almost surely, 219382330 is an apocalyptic number.
19382330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19382330 is an abundant number, since it is smaller than the sum of its proper divisors (21426118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19382330 is a wasteful number, since it uses less digits than its factorization.
19382330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 251.
The product of its (nonzero) digits is 3888, while the sum is 29.
The square root of 19382330 is about 4402.5367687278. The cubic root of 19382330 is about 268.6181339746.
The spelling of 19382330 in words is "nineteen million, three hundred eighty-two thousand, three hundred thirty".
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