Base | Representation |
---|---|
bin | 1001000111000… |
… | …1110111011100 |
3 | 2122220112022021 |
4 | 2101301313130 |
5 | 34240341012 |
6 | 3443025524 |
7 | 642552244 |
oct | 221616734 |
9 | 78815267 |
10 | 38215132 |
11 | 1a63165a |
12 | 1096b2a4 |
13 | 7bc0307 |
14 | 510ab24 |
15 | 354d007 |
hex | 2471ddc |
38215132 has 18 divisors (see below), whose sum is σ = 68481168. Its totient is φ = 18659592.
The previous prime is 38215123. The next prime is 38215139. The reversal of 38215132 is 23151283.
It is a junction number, because it is equal to n+sod(n) for n = 38215097 and 38215106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38215139) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4813 + ... + 9979.
Almost surely, 238215132 is an apocalyptic number.
It is an amenable number.
38215132 is a deficient number, since it is larger than the sum of its proper divisors (30266036).
38215132 is a wasteful number, since it uses less digits than its factorization.
38215132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5257 (or 5212 counting only the distinct ones).
The product of its digits is 1440, while the sum is 25.
The square root of 38215132 is about 6181.8388849921. The cubic root of 38215132 is about 336.8307932005.
The spelling of 38215132 in words is "thirty-eight million, two hundred fifteen thousand, one hundred thirty-two".
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