Base | Representation |
---|---|
bin | 1001001001001… |
… | …0011001111001 |
3 | 2200011022010110 |
4 | 2102102121321 |
5 | 34304122114 |
6 | 3445534533 |
7 | 643645641 |
oct | 222223171 |
9 | 80138113 |
10 | 38348409 |
11 | 1a712800 |
12 | 10a14449 |
13 | 7c38b88 |
14 | 5143521 |
15 | 3577759 |
hex | 2492679 |
38348409 has 24 divisors (see below), whose sum is σ = 56881440. Its totient is φ = 22960960.
The previous prime is 38348393. The next prime is 38348419. The reversal of 38348409 is 90484383.
It is not a de Polignac number, because 38348409 - 24 = 38348393 is a prime.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (38348419) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31714 + ... + 32900.
It is an arithmetic number, because the mean of its divisors is an integer number (2370060).
Almost surely, 238348409 is an apocalyptic number.
It is an amenable number.
38348409 is a deficient number, since it is larger than the sum of its proper divisors (18533031).
38348409 is a wasteful number, since it uses less digits than its factorization.
38348409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1301 (or 1290 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 39.
The square root of 38348409 is about 6192.6092239055. The cubic root of 38348409 is about 337.2219097449.
The spelling of 38348409 in words is "thirty-eight million, three hundred forty-eight thousand, four hundred nine".
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