Base | Representation |
---|---|
bin | 1001001010101… |
… | …0011111011100 |
3 | 2200100022110111 |
4 | 2102222133130 |
5 | 34320301233 |
6 | 3452015404 |
7 | 644536402 |
oct | 222523734 |
9 | 80308414 |
10 | 38447068 |
11 | 1a77a940 |
12 | 10a61564 |
13 | 7c71a5a |
14 | 516b472 |
15 | 3596acd |
hex | 24aa7dc |
38447068 has 48 divisors (see below), whose sum is σ = 77027328. Its totient is φ = 16632000.
The previous prime is 38447063. The next prime is 38447093. The reversal of 38447068 is 86074483.
It is a self number, because there is not a number n which added to its sum of digits gives 38447068.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38447063) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96646 + ... + 97042.
It is an arithmetic number, because the mean of its divisors is an integer number (1604736).
It is a vampire number, since it can be written as 4367 ⋅ 8804 (with its own digits).
Almost surely, 238447068 is an apocalyptic number.
It is an amenable number.
38447068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
38447068 is a wasteful number, since it uses less digits than its factorization.
38447068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 514 (or 512 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 40.
The square root of 38447068 is about 6200.5699738008. The cubic root of 38447068 is about 337.5108525088.
The spelling of 38447068 in words is "thirty-eight million, four hundred forty-seven thousand, sixty-eight".
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