Base | Representation |
---|---|
bin | 1001010010111… |
… | …0001011001010 |
3 | 2201100201100022 |
4 | 2110232023022 |
5 | 34440031232 |
6 | 3511340442 |
7 | 652244045 |
oct | 224561312 |
9 | 81321308 |
10 | 38986442 |
11 | 20009100 |
12 | 11081722 |
13 | 8100401 |
14 | 526bc5c |
15 | 3651812 |
hex | 252e2ca |
38986442 has 48 divisors (see below), whose sum is σ = 69266400. Its totient is φ = 16394400.
The previous prime is 38986417. The next prime is 38986459. The reversal of 38986442 is 24468983.
It is a junction number, because it is equal to n+sod(n) for n = 38986393 and 38986402.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280409 + ... + 280547.
It is an arithmetic number, because the mean of its divisors is an integer number (1443050).
Almost surely, 238986442 is an apocalyptic number.
38986442 is a deficient number, since it is larger than the sum of its proper divisors (30279958).
38986442 is a wasteful number, since it uses less digits than its factorization.
38986442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 243 (or 232 counting only the distinct ones).
The product of its digits is 331776, while the sum is 44.
The square root of 38986442 is about 6243.9123952855. The cubic root of 38986442 is about 339.0818422726.
The spelling of 38986442 in words is "thirty-eight million, nine hundred eighty-six thousand, four hundred forty-two".
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