Base | Representation |
---|---|
bin | 1001001110101… |
… | …0000000110101 |
3 | 2200211112100222 |
4 | 2103222000311 |
5 | 34402113003 |
6 | 3501344125 |
7 | 650002064 |
oct | 223520065 |
9 | 80745328 |
10 | 38707253 |
11 | 1a938372 |
12 | 10b68045 |
13 | 8033300 |
14 | 51d81db |
15 | 35e8c38 |
hex | 24ea035 |
38707253 has 6 divisors (see below), whose sum is σ = 41913954. Its totient is φ = 35729616.
The previous prime is 38707243. The next prime is 38707259. The reversal of 38707253 is 35270783.
It can be written as a sum of positive squares in 3 ways, for example, as 1044484 + 37662769 = 1022^2 + 6137^2 .
It is a de Polignac number, because none of the positive numbers 2k-38707253 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38707259) 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 5 ways as a sum of consecutive naturals, for example, 114350 + ... + 114687.
It is an arithmetic number, because the mean of its divisors is an integer number (6985659).
Almost surely, 238707253 is an apocalyptic number.
It is an amenable number.
38707253 is a deficient number, since it is larger than the sum of its proper divisors (3206701).
38707253 is a wasteful number, since it uses less digits than its factorization.
38707253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229063 (or 229050 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 35.
The square root of 38707253 is about 6221.5153298855. The cubic root of 38707253 is about 338.2704935317.
The spelling of 38707253 in words is "thirty-eight million, seven hundred seven thousand, two hundred fifty-three".
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