Base | Representation |
---|---|
bin | 1001001000001… |
… | …1000101010001 |
3 | 2200001010001000 |
4 | 2102003011101 |
5 | 34300120044 |
6 | 3444332213 |
7 | 643264653 |
oct | 222030521 |
9 | 80033030 |
10 | 38285649 |
11 | 1a67a636 |
12 | 109a4069 |
13 | 7c1643c |
14 | 51286d3 |
15 | 3563d69 |
hex | 2483151 |
38285649 has 32 divisors (see below), whose sum is σ = 60480000. Its totient is φ = 23853312.
The previous prime is 38285647. The next prime is 38285669. The reversal of 38285649 is 94658283.
38285649 is a `hidden beast` number, since 3 + 82 + 8 + 564 + 9 = 666.
It is not a de Polignac number, because 38285649 - 21 = 38285647 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38285647) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109527 + ... + 109875.
It is an arithmetic number, because the mean of its divisors is an integer number (1890000).
Almost surely, 238285649 is an apocalyptic number.
It is an amenable number.
38285649 is a deficient number, since it is larger than the sum of its proper divisors (22194351).
38285649 is a wasteful number, since it uses less digits than its factorization.
38285649 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 614 (or 608 counting only the distinct ones).
The product of its digits is 414720, while the sum is 45.
The square root of 38285649 is about 6187.5398180537. The cubic root of 38285649 is about 337.0378464541.
The spelling of 38285649 in words is "thirty-eight million, two hundred eighty-five thousand, six hundred forty-nine".
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