Base | Representation |
---|---|
bin | 1001001110001… |
… | …0010010110110 |
3 | 2200202221000001 |
4 | 2103202102312 |
5 | 34400110023 |
6 | 3500541514 |
7 | 646510651 |
oct | 223422266 |
9 | 80687001 |
10 | 38675638 |
11 | 1a916641 |
12 | 10b5189a |
13 | 8021ac1 |
14 | 51ca898 |
15 | 35de6ad |
hex | 24e24b6 |
38675638 has 8 divisors (see below), whose sum is σ = 58431240. Its totient is φ = 19198560.
The previous prime is 38675603. The next prime is 38675639. The reversal of 38675638 is 83657683.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38675639) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69283 + ... + 69838.
It is an arithmetic number, because the mean of its divisors is an integer number (7303905).
Almost surely, 238675638 is an apocalyptic number.
38675638 is a deficient number, since it is larger than the sum of its proper divisors (19755602).
38675638 is a wasteful number, since it uses less digits than its factorization.
38675638 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139262.
The product of its digits is 725760, while the sum is 46.
The square root of 38675638 is about 6218.9740311405. The cubic root of 38675638 is about 338.1783718252.
The spelling of 38675638 in words is "thirty-eight million, six hundred seventy-five thousand, six hundred thirty-eight".
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