Base | Representation |
---|---|
bin | 1001001001001… |
… | …0101010110101 |
3 | 2200011100121121 |
4 | 2102102222311 |
5 | 34304140433 |
6 | 3445543541 |
7 | 643652050 |
oct | 222225265 |
9 | 80140547 |
10 | 38349493 |
11 | 1a7135a6 |
12 | 10a14bb1 |
13 | 7c39510 |
14 | 5143a97 |
15 | 3577c2d |
hex | 2492ab5 |
38349493 has 8 divisors (see below), whose sum is σ = 47199488. Its totient is φ = 30342384.
The previous prime is 38349491. The next prime is 38349503. The reversal of 38349493 is 39494383.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38349493 - 21 = 38349491 is a prime.
It is a super-2 number, since 2×383494932 = 2941367226714098, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38349491) 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, 210621 + ... + 210802.
It is an arithmetic number, because the mean of its divisors is an integer number (5899936).
Almost surely, 238349493 is an apocalyptic number.
It is an amenable number.
38349493 is a deficient number, since it is larger than the sum of its proper divisors (8849995).
38349493 is a wasteful number, since it uses less digits than its factorization.
38349493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 421443.
The product of its digits is 279936, while the sum is 43.
The square root of 38349493 is about 6192.6967469754. The cubic root of 38349493 is about 337.2250871484.
The spelling of 38349493 in words is "thirty-eight million, three hundred forty-nine thousand, four hundred ninety-three".
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