Base | Representation |
---|---|
bin | 1001001011011… |
… | …1101100011101 |
3 | 2200110001122111 |
4 | 2102313230131 |
5 | 34324014044 |
6 | 3453114021 |
7 | 645153151 |
oct | 222675435 |
9 | 80401574 |
10 | 38501149 |
11 | 1a807535 |
12 | 10a88911 |
13 | 7c9055b |
14 | 5183061 |
15 | 35a7b34 |
hex | 24b7b1d |
38501149 has 12 divisors (see below), whose sum is σ = 40840156. Its totient is φ = 36286272.
The previous prime is 38501147. The next prime is 38501159. The reversal of 38501149 is 94110583.
It can be written as a sum of positive squares in 2 ways, for example, as 27984100 + 10517049 = 5290^2 + 3243^2 .
It is not a de Polignac number, because 38501149 - 21 = 38501147 is a prime.
It is a Duffinian number.
It is a zygodrome in base 3.
It is a self number, because there is not a number n which added to its sum of digits gives 38501149.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38501147) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38119 + ... + 39115.
Almost surely, 238501149 is an apocalyptic number.
It is an amenable number.
38501149 is a deficient number, since it is larger than the sum of its proper divisors (2339007).
38501149 is an equidigital number, since it uses as much as digits as its factorization.
38501149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1116 (or 1093 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 31.
The square root of 38501149 is about 6204.9294113632. The cubic root of 38501149 is about 337.6690299169.
The spelling of 38501149 in words is "thirty-eight million, five hundred one thousand, one hundred forty-nine".
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