Base | Representation |
---|---|
bin | 100011101011000000… |
… | …001000110100111100 |
3 | 10122212100202112220200 |
4 | 203223000020310330 |
5 | 1111420404422114 |
6 | 25332413443500 |
7 | 2524112125542 |
oct | 435300106474 |
9 | 118770675820 |
10 | 38302420284 |
11 | 152757992a7 |
12 | 750b4a0590 |
13 | 37c547281b |
14 | 1bd4d55d92 |
15 | ee2960409 |
hex | 8eb008d3c |
38302420284 has 72 divisors (see below), whose sum is σ = 98170516080. Its totient is φ = 12590400000.
The previous prime is 38302420279. The next prime is 38302420291. The reversal of 38302420284 is 48202420383.
It is a happy number.
38302420284 is a `hidden beast` number, since 38 + 302 + 42 + 0 + 284 = 666.
It is a super-2 number, since 2×383024202842 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 891652 + ... + 933620.
It is an arithmetic number, because the mean of its divisors is an integer number (1363479390).
Almost surely, 238302420284 is an apocalyptic number.
It is an amenable number.
38302420284 is an abundant number, since it is smaller than the sum of its proper divisors (59868095796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38302420284 is a wasteful number, since it uses less digits than its factorization.
38302420284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42331 (or 42326 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 36.
Subtracting 38302420284 from its reverse (48202420383), we obtain a palindrome (9900000099).
The spelling of 38302420284 in words is "thirty-eight billion, three hundred two million, four hundred twenty thousand, two hundred eighty-four".
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