Base | Representation |
---|---|
bin | 1001001000000… |
… | …1011111111001 |
3 | 2200000210010201 |
4 | 2102001133321 |
5 | 34244413121 |
6 | 3444242201 |
7 | 643240024 |
oct | 222013771 |
9 | 80023121 |
10 | 38279161 |
11 | 1a675778 |
12 | 109a0361 |
13 | 7c134bb |
14 | 51261bb |
15 | 3561e91 |
hex | 24817f9 |
38279161 has 2 divisors, whose sum is σ = 38279162. Its totient is φ = 38279160.
The previous prime is 38279149. The next prime is 38279179. The reversal of 38279161 is 16197283.
38279161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28419561 + 9859600 = 5331^2 + 3140^2 .
It is a cyclic number.
It is not a de Polignac number, because 38279161 - 29 = 38278649 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 38279161.
It is not a weakly prime, because it can be changed into another prime (38279561) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19139580 + 19139581.
It is an arithmetic number, because the mean of its divisors is an integer number (19139581).
Almost surely, 238279161 is an apocalyptic number.
It is an amenable number.
38279161 is a deficient number, since it is larger than the sum of its proper divisors (1).
38279161 is an equidigital number, since it uses as much as digits as its factorization.
38279161 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 18144, while the sum is 37.
The square root of 38279161 is about 6187.0155163859. The cubic root of 38279161 is about 337.0188068998.
The spelling of 38279161 in words is "thirty-eight million, two hundred seventy-nine thousand, one hundred sixty-one".
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