Base | Representation |
---|---|
bin | 1001010001100… |
… | …1010001011100 |
3 | 2201012100220102 |
4 | 2110121101130 |
5 | 34424311303 |
6 | 3505440232 |
7 | 651436331 |
oct | 224312134 |
9 | 81170812 |
10 | 38900828 |
11 | 1aa5a84a |
12 | 11040078 |
13 | 80a0455 |
14 | 5248988 |
15 | 3636288 |
hex | 251945c |
38900828 has 24 divisors (see below), whose sum is σ = 75877200. Its totient is φ = 17342208.
The previous prime is 38900791. The next prime is 38900833. The reversal of 38900828 is 82800983.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a junction number, because it is equal to n+sod(n) for n = 38900791 and 38900800.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 13763 + ... + 16346.
It is an arithmetic number, because the mean of its divisors is an integer number (3161550).
Almost surely, 238900828 is an apocalyptic number.
38900828 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
38900828 is a deficient number, since it is larger than the sum of its proper divisors (36976372).
38900828 is a wasteful number, since it uses less digits than its factorization.
38900828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30149 (or 30147 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 38.
The square root of 38900828 is about 6237.0528296624. The cubic root of 38900828 is about 338.8334531119.
The spelling of 38900828 in words is "thirty-eight million, nine hundred thousand, eight hundred twenty-eight".
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