Base | Representation |
---|---|
bin | 1001000101101… |
… | …0111010101111 |
3 | 2122201202100220 |
4 | 2101122322233 |
5 | 34224334020 |
6 | 3441022423 |
7 | 642011223 |
oct | 221327257 |
9 | 78652326 |
10 | 38121135 |
11 | 1a577a78 |
12 | 10924a13 |
13 | 7b895b0 |
14 | 50c4783 |
15 | 3530240 |
hex | 245aeaf |
38121135 has 16 divisors (see below), whose sum is σ = 65685984. Its totient is φ = 18767232.
The previous prime is 38121121. The next prime is 38121197. The reversal of 38121135 is 53112183.
It is not a de Polignac number, because 38121135 - 24 = 38121119 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97552 + ... + 97941.
It is an arithmetic number, because the mean of its divisors is an integer number (4105374).
Almost surely, 238121135 is an apocalyptic number.
38121135 is a deficient number, since it is larger than the sum of its proper divisors (27564849).
38121135 is a wasteful number, since it uses less digits than its factorization.
38121135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 195514.
The product of its digits is 720, while the sum is 24.
The square root of 38121135 is about 6174.2315311300. The cubic root of 38121135 is about 336.5544011305.
The spelling of 38121135 in words is "thirty-eight million, one hundred twenty-one thousand, one hundred thirty-five".
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