Base | Representation |
---|---|
bin | 1001001111010… |
… | …0001010010000 |
3 | 2200220122101100 |
4 | 2103310022100 |
5 | 34404430231 |
6 | 3502304400 |
7 | 650234211 |
oct | 223641220 |
9 | 80818340 |
10 | 38748816 |
11 | 1a966617 |
12 | 10b88100 |
13 | 80491c2 |
14 | 5209408 |
15 | 36061e6 |
hex | 24f4290 |
38748816 has 30 divisors (see below), whose sum is σ = 108443270. Its totient is φ = 12916224.
The previous prime is 38748793. The next prime is 38748817. The reversal of 38748816 is 61884783.
It can be written as a sum of positive squares in only one way, i.e., 37161216 + 1587600 = 6096^2 + 1260^2 .
It is not an unprimeable number, because it can be changed into a prime (38748817) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134401 + ... + 134688.
Almost surely, 238748816 is an apocalyptic number.
38748816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
38748816 is an abundant number, since it is smaller than the sum of its proper divisors (69694454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38748816 is a wasteful number, since it uses less digits than its factorization.
38748816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 269103 (or 269094 counting only the distinct ones).
The product of its digits is 258048, while the sum is 45.
The square root of 38748816 is about 6224.8546970994. The cubic root of 38748816 is about 338.3915260356.
The spelling of 38748816 in words is "thirty-eight million, seven hundred forty-eight thousand, eight hundred sixteen".
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