Base | Representation |
---|---|
bin | 1001010011000… |
… | …1010011010000 |
3 | 2201101100220121 |
4 | 2110301103100 |
5 | 34440433443 |
6 | 3511520024 |
7 | 652326301 |
oct | 224612320 |
9 | 81340817 |
10 | 38999248 |
11 | 20017792 |
12 | 11089014 |
13 | 81061a2 |
14 | 52727a8 |
15 | 36554ed |
hex | 25314d0 |
38999248 has 20 divisors (see below), whose sum is σ = 79538560. Its totient is φ = 18473184.
The previous prime is 38999239. The next prime is 38999249. The reversal of 38999248 is 84299983.
It is a junction number, because it is equal to n+sod(n) for n = 38999195 and 38999204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38999249) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63840 + ... + 64447.
It is an arithmetic number, because the mean of its divisors is an integer number (3976928).
Almost surely, 238999248 is an apocalyptic number.
38999248 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
38999248 is an abundant number, since it is smaller than the sum of its proper divisors (40539312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38999248 is a wasteful number, since it uses less digits than its factorization.
38999248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128314 (or 128308 counting only the distinct ones).
The product of its digits is 1119744, while the sum is 52.
The square root of 38999248 is about 6244.9377899223. The cubic root of 38999248 is about 339.1189646370.
The spelling of 38999248 in words is "thirty-eight million, nine hundred ninety-nine thousand, two hundred forty-eight".
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