Base | Representation |
---|---|
bin | 1001001011100… |
… | …1101011010101 |
3 | 2200110110210020 |
4 | 2102321223111 |
5 | 34324244034 |
6 | 3453215353 |
7 | 645215631 |
oct | 222715325 |
9 | 80413706 |
10 | 38509269 |
11 | 1a812647 |
12 | 10a91559 |
13 | 7c94166 |
14 | 5185dc1 |
15 | 35aa249 |
hex | 24b9ad5 |
38509269 has 8 divisors (see below), whose sum is σ = 51401472. Its totient is φ = 25644960.
The previous prime is 38509259. The next prime is 38509271. The reversal of 38509269 is 96290583.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38509269 - 24 = 38509253 is a prime.
It is a super-2 number, since 2×385092692 = 2965927597828722, which contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 38509269.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38509259) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3504 + ... + 9449.
It is an arithmetic number, because the mean of its divisors is an integer number (6425184).
Almost surely, 238509269 is an apocalyptic number.
It is an amenable number.
38509269 is a deficient number, since it is larger than the sum of its proper divisors (12892203).
38509269 is a wasteful number, since it uses less digits than its factorization.
38509269 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13947.
The product of its (nonzero) digits is 116640, while the sum is 42.
The square root of 38509269 is about 6205.5836953505. The cubic root of 38509269 is about 337.6927666959.
The spelling of 38509269 in words is "thirty-eight million, five hundred nine thousand, two hundred sixty-nine".
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