Base | Representation |
---|---|
bin | 1001001001111… |
… | …0001001001101 |
3 | 2200020202002100 |
4 | 2102132021031 |
5 | 34312141433 |
6 | 3450545313 |
7 | 644236062 |
oct | 222361115 |
9 | 80222070 |
10 | 38396493 |
11 | 1a745943 |
12 | 10a38239 |
13 | 7c54a25 |
14 | 5156c69 |
15 | 3586b13 |
hex | 249e24d |
38396493 has 24 divisors (see below), whose sum is σ = 57863520. Its totient is φ = 24504480.
The previous prime is 38396483. The next prime is 38396513. The reversal of 38396493 is 39469383.
It is not a de Polignac number, because 38396493 - 25 = 38396461 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38396483) 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, 33630 + ... + 34752.
It is an arithmetic number, because the mean of its divisors is an integer number (2410980).
Almost surely, 238396493 is an apocalyptic number.
It is an amenable number.
38396493 is a deficient number, since it is larger than the sum of its proper divisors (19467027).
38396493 is a wasteful number, since it uses less digits than its factorization.
38396493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1289 (or 1286 counting only the distinct ones).
The product of its digits is 419904, while the sum is 45.
The square root of 38396493 is about 6196.4903776251. The cubic root of 38396493 is about 337.3627952582.
The spelling of 38396493 in words is "thirty-eight million, three hundred ninety-six thousand, four hundred ninety-three".
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