Base | Representation |
---|---|
bin | 1001000111100… |
… | …0011000011100 |
3 | 2122221212220201 |
4 | 2101320120130 |
5 | 34242214240 |
6 | 3443353244 |
7 | 643023121 |
oct | 221703034 |
9 | 78855821 |
10 | 38241820 |
11 | 1a64a711 |
12 | 10982824 |
13 | 7bcc4c6 |
14 | 5116748 |
15 | 3555d9a |
hex | 247861c |
38241820 has 24 divisors (see below), whose sum is σ = 80463600. Its totient is φ = 15267072.
The previous prime is 38241811. The next prime is 38241869. The reversal of 38241820 is 2814283.
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, 10836 + ... + 13924.
It is an arithmetic number, because the mean of its divisors is an integer number (3352650).
Almost surely, 238241820 is an apocalyptic number.
It is an amenable number.
38241820 is an abundant number, since it is smaller than the sum of its proper divisors (42221780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38241820 is a wasteful number, since it uses less digits than its factorization.
38241820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3717 (or 3715 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 28.
The square root of 38241820 is about 6183.9970892619. The cubic root of 38241820 is about 336.9091849086.
The spelling of 38241820 in words is "thirty-eight million, two hundred forty-one thousand, eight hundred twenty".
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