Base | Representation |
---|---|
bin | 1001001010001… |
… | …1000100011101 |
3 | 2200021202202121 |
4 | 2102203010131 |
5 | 34313313134 |
6 | 3451222541 |
7 | 644351644 |
oct | 222430435 |
9 | 80252677 |
10 | 38416669 |
11 | 1a75a015 |
12 | 10a47a51 |
13 | 7c60c75 |
14 | 516035b |
15 | 358cab4 |
hex | 24a311d |
38416669 has 2 divisors, whose sum is σ = 38416670. Its totient is φ = 38416668.
The previous prime is 38416627. The next prime is 38416691. The reversal of 38416669 is 96661483.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 32832900 + 5583769 = 5730^2 + 2363^2 .
It is a cyclic number.
It is not a de Polignac number, because 38416669 - 219 = 37892381 is a prime.
It is a super-2 number, since 2×384166692 = 2951680914111122, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38416699) 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 as a sum of consecutive naturals, namely, 19208334 + 19208335.
It is an arithmetic number, because the mean of its divisors is an integer number (19208335).
Almost surely, 238416669 is an apocalyptic number.
It is an amenable number.
38416669 is a deficient number, since it is larger than the sum of its proper divisors (1).
38416669 is an equidigital number, since it uses as much as digits as its factorization.
38416669 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 186624, while the sum is 43.
The square root of 38416669 is about 6198.1181821582. The cubic root of 38416669 is about 337.4218756529.
The spelling of 38416669 in words is "thirty-eight million, four hundred sixteen thousand, six hundred sixty-nine".
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