Base | Representation |
---|---|
bin | 1001001101011… |
… | …1011001110110 |
3 | 2200200122210220 |
4 | 2103113121312 |
5 | 34342143110 |
6 | 3455555210 |
7 | 646233624 |
oct | 223273166 |
9 | 80618726 |
10 | 38631030 |
11 | 1a896079 |
12 | 10b2bb06 |
13 | 80076c9 |
14 | 51b8514 |
15 | 35d1370 |
hex | 24d7676 |
38631030 has 32 divisors (see below), whose sum is σ = 96747264. Its totient is φ = 9853536.
The previous prime is 38630981. The next prime is 38631031. The reversal of 38631030 is 3013683.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38631031) 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, 27304 + ... + 28683.
It is an arithmetic number, because the mean of its divisors is an integer number (3023352).
Almost surely, 238631030 is an apocalyptic number.
38631030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
38631030 is an abundant number, since it is smaller than the sum of its proper divisors (58116234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38631030 is a wasteful number, since it uses less digits than its factorization.
38631030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56020.
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 38631030 is about 6215.3865527415. The cubic root of 38631030 is about 338.0483048967.
The spelling of 38631030 in words is "thirty-eight million, six hundred thirty-one thousand, thirty".
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