Base | Representation |
---|---|
bin | 1001000111001… |
… | …0001100010101 |
3 | 2122220121010210 |
4 | 2101302030111 |
5 | 34240411334 |
6 | 3443040033 |
7 | 642556164 |
oct | 221621425 |
9 | 78817123 |
10 | 38216469 |
11 | 1a632665 |
12 | 10970019 |
13 | 7bc0ac5 |
14 | 510b3db |
15 | 354d5e9 |
hex | 2472315 |
38216469 has 16 divisors (see below), whose sum is σ = 52557120. Its totient is φ = 24685440.
The previous prime is 38216443. The next prime is 38216471. The reversal of 38216469 is 96461283.
It is not a de Polignac number, because 38216469 - 213 = 38208277 is a prime.
It is a super-2 number, since 2×382164692 = 2920997005655922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38216419) 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 15 ways as a sum of consecutive naturals, for example, 18322 + ... + 20300.
It is an arithmetic number, because the mean of its divisors is an integer number (3284820).
Almost surely, 238216469 is an apocalyptic number.
It is an amenable number.
38216469 is a deficient number, since it is larger than the sum of its proper divisors (14340651).
38216469 is a wasteful number, since it uses less digits than its factorization.
38216469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2180.
The product of its digits is 62208, while the sum is 39.
The square root of 38216469 is about 6181.9470233900. The cubic root of 38216469 is about 336.8347212912.
The spelling of 38216469 in words is "thirty-eight million, two hundred sixteen thousand, four hundred sixty-nine".
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