Base | Representation |
---|---|
bin | 1001001010011… |
… | …0011011010000 |
3 | 2200022110121202 |
4 | 2102212123100 |
5 | 34314233131 |
6 | 3451410332 |
7 | 644440013 |
oct | 222463320 |
9 | 80273552 |
10 | 38430416 |
11 | 1a769382 |
12 | 10a539a8 |
13 | 7c672bb |
14 | 516537a |
15 | 3591bcb |
hex | 24a66d0 |
38430416 has 20 divisors (see below), whose sum is σ = 74744100. Its totient is φ = 19141632.
The previous prime is 38430409. The next prime is 38430437. The reversal of 38430416 is 61403483.
It can be written as a sum of positive squares in 2 ways, for example, as 1948816 + 36481600 = 1396^2 + 6040^2 .
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 161 + ... + 8768.
It is an arithmetic number, because the mean of its divisors is an integer number (3737205).
Almost surely, 238430416 is an apocalyptic number.
It is an amenable number.
38430416 is a deficient number, since it is larger than the sum of its proper divisors (36313684).
38430416 is a wasteful number, since it uses less digits than its factorization.
38430416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9206 (or 9200 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 29.
The square root of 38430416 is about 6199.2270485924. The cubic root of 38430416 is about 337.4621184735.
Adding to 38430416 its reverse (61403483), we get a palindrome (99833899).
The spelling of 38430416 in words is "thirty-eight million, four hundred thirty thousand, four hundred sixteen".
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