Base | Representation |
---|---|
bin | 1001010010110… |
… | …0111010100011 |
3 | 2201100110021020 |
4 | 2110230322203 |
5 | 34434400113 |
6 | 3511300523 |
7 | 652223025 |
oct | 224547243 |
9 | 81313236 |
10 | 38981283 |
11 | 20005240 |
12 | 1107a743 |
13 | 80cac63 |
14 | 526a015 |
15 | 3650023 |
hex | 252cea3 |
38981283 has 32 divisors (see below), whose sum is σ = 59415552. Its totient is φ = 22521600.
The previous prime is 38981281. The next prime is 38981303. The reversal of 38981283 is 38218983.
38981283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38981283 - 21 = 38981281 is a prime.
It is a super-4 number, since 4×389812834 (a number of 31 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (38981281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63285 + ... + 63897.
It is an arithmetic number, because the mean of its divisors is an integer number (1856736).
Almost surely, 238981283 is an apocalyptic number.
38981283 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
38981283 is a deficient number, since it is larger than the sum of its proper divisors (20434269).
38981283 is a wasteful number, since it uses less digits than its factorization.
38981283 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 715.
The product of its digits is 82944, while the sum is 42.
The square root of 38981283 is about 6243.4992592296. The cubic root of 38981283 is about 339.0668849327.
The spelling of 38981283 in words is "thirty-eight million, nine hundred eighty-one thousand, two hundred eighty-three".
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