Base | Representation |
---|---|
bin | 1001000011110… |
… | …1011100100100 |
3 | 2122111121202222 |
4 | 2100331130210 |
5 | 34212003140 |
6 | 3434251512 |
7 | 640666253 |
oct | 220753444 |
9 | 78447688 |
10 | 38000420 |
11 | 1a4a5307 |
12 | 10886b98 |
13 | 7b46673 |
14 | 509279a |
15 | 35095b5 |
hex | 243d724 |
38000420 has 24 divisors (see below), whose sum is σ = 82376448. Its totient is φ = 14709600.
The previous prime is 38000401. The next prime is 38000441. The reversal of 38000420 is 2400083.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30026 + ... + 31265.
It is an arithmetic number, because the mean of its divisors is an integer number (3432352).
Almost surely, 238000420 is an apocalyptic number.
It is an amenable number.
38000420 is an abundant number, since it is smaller than the sum of its proper divisors (44376028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38000420 is a wasteful number, since it uses less digits than its factorization.
38000420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61331 (or 61329 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 38000420 is about 6164.4480693733. The cubic root of 38000420 is about 336.1987792979.
The spelling of 38000420 in words is "thirty-eight million, four hundred twenty", and thus it is an aban number.
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