Base | Representation |
---|---|
bin | 1001000101101… |
… | …1100110110011 |
3 | 2122201220020100 |
4 | 2101123212303 |
5 | 34224431310 |
6 | 3441043443 |
7 | 642022362 |
oct | 221334663 |
9 | 78656210 |
10 | 38123955 |
11 | 1a57a101 |
12 | 10926583 |
13 | 7b8a96c |
14 | 50c57d9 |
15 | 3530ec0 |
hex | 245b9b3 |
38123955 has 24 divisors (see below), whose sum is σ = 68215680. Its totient is φ = 19676160.
The previous prime is 38123941. The next prime is 38123959. The reversal of 38123955 is 55932183.
It is not a de Polignac number, because 38123955 - 25 = 38123923 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38123959) 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, 12270 + ... + 15059.
It is an arithmetic number, because the mean of its divisors is an integer number (2842320).
Almost surely, 238123955 is an apocalyptic number.
38123955 is a deficient number, since it is larger than the sum of its proper divisors (30091725).
38123955 is a wasteful number, since it uses less digits than its factorization.
38123955 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27371 (or 27368 counting only the distinct ones).
The product of its digits is 32400, while the sum is 36.
The square root of 38123955 is about 6174.4598954079. The cubic root of 38123955 is about 336.5626997643.
It can be divided in two parts, 381 and 23955, that added together give a square (24336 = 1562).
The spelling of 38123955 in words is "thirty-eight million, one hundred twenty-three thousand, nine hundred fifty-five".
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