Base | Representation |
---|---|
bin | 1001001110000… |
… | …1111111110111 |
3 | 2200202212100001 |
4 | 2103201333313 |
5 | 34400040143 |
6 | 3500532131 |
7 | 646504264 |
oct | 223417767 |
9 | 80685301 |
10 | 38674423 |
11 | 1a915737 |
12 | 10b51047 |
13 | 8021398 |
14 | 51ca26b |
15 | 35de14d |
hex | 24e1ff7 |
38674423 has 2 divisors, whose sum is σ = 38674424. Its totient is φ = 38674422.
The previous prime is 38674411. The next prime is 38674469. The reversal of 38674423 is 32447683.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (32447683) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38674423 is a prime.
It is equal to p2357668 and since 38674423 and 2357668 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38674403) by changing a digit.
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 as a sum of consecutive naturals, namely, 19337211 + 19337212.
It is an arithmetic number, because the mean of its divisors is an integer number (19337212).
Almost surely, 238674423 is an apocalyptic number.
38674423 is a deficient number, since it is larger than the sum of its proper divisors (1).
38674423 is an equidigital number, since it uses as much as digits as its factorization.
38674423 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 96768, while the sum is 37.
The square root of 38674423 is about 6218.8763454502. The cubic root of 38674423 is about 338.1748304828.
The spelling of 38674423 in words is "thirty-eight million, six hundred seventy-four thousand, four hundred twenty-three".
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