Base | Representation |
---|---|
bin | 1001001000011… |
… | …1100110000011 |
3 | 2200002001101112 |
4 | 2102013212003 |
5 | 34301213011 |
6 | 3444553535 |
7 | 643402565 |
oct | 222074603 |
9 | 80061345 |
10 | 38304131 |
11 | 1a692508 |
12 | 109b28ab |
13 | 7c21988 |
14 | 5131335 |
15 | 356958b |
hex | 2487983 |
38304131 has 8 divisors (see below), whose sum is σ = 40181280. Its totient is φ = 36444672.
The previous prime is 38304121. The next prime is 38304137. The reversal of 38304131 is 13140383.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38304131 is a prime.
It is a super-2 number, since 2×383041312 = 2934412903330322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38304097 and 38304106.
It is not an unprimeable number, because it can be changed into a prime (38304137) by changing a digit.
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, 125 + ... + 8753.
It is an arithmetic number, because the mean of its divisors is an integer number (5022660).
Almost surely, 238304131 is an apocalyptic number.
38304131 is a deficient number, since it is larger than the sum of its proper divisors (1877149).
38304131 is a wasteful number, since it uses less digits than its factorization.
38304131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8845.
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 38304131 is about 6189.0331231946. The cubic root of 38304131 is about 337.0920715712.
The spelling of 38304131 in words is "thirty-eight million, three hundred four thousand, one hundred thirty-one".
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