Base | Representation |
---|---|
bin | 1001001001110… |
… | …1101111110011 |
3 | 2200020122212010 |
4 | 2102131233303 |
5 | 34312113432 |
6 | 3450534003 |
7 | 644231250 |
oct | 222355763 |
9 | 80218763 |
10 | 38394867 |
11 | 1a7446a5 |
12 | 10a37303 |
13 | 7c54074 |
14 | 5156427 |
15 | 35863cc |
hex | 249dbf3 |
38394867 has 16 divisors (see below), whose sum is σ = 59166720. Its totient is φ = 21692352.
The previous prime is 38394809. The next prime is 38394871. The reversal of 38394867 is 76849383.
It is not a de Polignac number, because 38394867 - 27 = 38394739 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38394067) 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, 8403 + ... + 12140.
It is an arithmetic number, because the mean of its divisors is an integer number (3697920).
Almost surely, 238394867 is an apocalyptic number.
38394867 is a deficient number, since it is larger than the sum of its proper divisors (20771853).
38394867 is a wasteful number, since it uses less digits than its factorization.
38394867 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20642.
The product of its digits is 870912, while the sum is 48.
The square root of 38394867 is about 6196.3591729337. The cubic root of 38394867 is about 337.3580330207.
The spelling of 38394867 in words is "thirty-eight million, three hundred ninety-four thousand, eight hundred sixty-seven".
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