Base | Representation |
---|---|
bin | 1001000111011… |
… | …1100000101111 |
3 | 2122221201000200 |
4 | 2101313200233 |
5 | 34242111010 |
6 | 3443324543 |
7 | 643006536 |
oct | 221674057 |
9 | 78851020 |
10 | 38238255 |
11 | 1a647a70 |
12 | 10980753 |
13 | 7bca9b3 |
14 | 511531d |
15 | 3554cc0 |
hex | 247782f |
38238255 has 24 divisors (see below), whose sum is σ = 72306000. Its totient is φ = 18539520.
The previous prime is 38238251. The next prime is 38238289. The reversal of 38238255 is 55283283.
It is not a de Polignac number, because 38238255 - 22 = 38238251 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38238251) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38130 + ... + 39119.
It is an arithmetic number, because the mean of its divisors is an integer number (3012750).
Almost surely, 238238255 is an apocalyptic number.
38238255 is a deficient number, since it is larger than the sum of its proper divisors (34067745).
38238255 is a wasteful number, since it uses less digits than its factorization.
38238255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77271 (or 77268 counting only the distinct ones).
The product of its digits is 57600, while the sum is 36.
The square root of 38238255 is about 6183.7088385531. The cubic root of 38238255 is about 336.8987154054.
The spelling of 38238255 in words is "thirty-eight million, two hundred thirty-eight thousand, two hundred fifty-five".
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