Base | Representation |
---|---|
bin | 1001001011101… |
… | …0000100101010 |
3 | 2200110120000021 |
4 | 2102322010222 |
5 | 34324322030 |
6 | 3453231054 |
7 | 645223435 |
oct | 222720452 |
9 | 80416007 |
10 | 38510890 |
11 | 1a813890 |
12 | 10a9248a |
13 | 7c94b12 |
14 | 518681c |
15 | 35aa97a |
hex | 24ba12a |
38510890 has 32 divisors (see below), whose sum is σ = 77474880. Its totient is φ = 13660800.
The previous prime is 38510887. The next prime is 38510911. The reversal of 38510890 is 9801583.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241 + ... + 8779.
It is an arithmetic number, because the mean of its divisors is an integer number (2421090).
Almost surely, 238510890 is an apocalyptic number.
38510890 is an abundant number, since it is smaller than the sum of its proper divisors (38963990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38510890 is a wasteful number, since it uses less digits than its factorization.
38510890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8598.
The product of its (nonzero) digits is 8640, while the sum is 34.
The square root of 38510890 is about 6205.7143021573. The cubic root of 38510890 is about 337.6975048823.
The spelling of 38510890 in words is "thirty-eight million, five hundred ten thousand, eight hundred ninety".
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