Base | Representation |
---|---|
bin | 1001010001000… |
… | …1100011001001 |
3 | 2201010202111202 |
4 | 2110101203021 |
5 | 34422303233 |
6 | 3505033545 |
7 | 651245156 |
oct | 224214311 |
9 | 81122452 |
10 | 38869193 |
11 | 1aa39000 |
12 | 110258b5 |
13 | 808bc2c |
14 | 523b22d |
15 | 362bbe8 |
hex | 25118c9 |
38869193 has 32 divisors (see below), whose sum is σ = 47433600. Its totient is φ = 31711680.
The previous prime is 38869169. The next prime is 38869199. The reversal of 38869193 is 39196883.
It is not a de Polignac number, because 38869193 - 212 = 38865097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38869199) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 733355 + ... + 733407.
It is an arithmetic number, because the mean of its divisors is an integer number (1482300).
Almost surely, 238869193 is an apocalyptic number.
It is an amenable number.
38869193 is a deficient number, since it is larger than the sum of its proper divisors (8564407).
38869193 is a wasteful number, since it uses less digits than its factorization.
38869193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134 (or 112 counting only the distinct ones).
The product of its digits is 279936, while the sum is 47.
The square root of 38869193 is about 6234.5162603044. The cubic root of 38869193 is about 338.7415792899.
The spelling of 38869193 in words is "thirty-eight million, eight hundred sixty-nine thousand, one hundred ninety-three".
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