Base | Representation |
---|---|
bin | 1001000111110… |
… | …1000001010000 |
3 | 2122222211222021 |
4 | 2101331001100 |
5 | 34243321231 |
6 | 3444021224 |
7 | 643132366 |
oct | 221750120 |
9 | 78884867 |
10 | 38260816 |
11 | 1a662a10 |
12 | 10991814 |
13 | 7c08049 |
14 | 511d636 |
15 | 355b811 |
hex | 247d050 |
38260816 has 40 divisors (see below), whose sum is σ = 81468000. Its totient is φ = 17262720.
The previous prime is 38260811. The next prime is 38260823. The reversal of 38260816 is 61806283.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38260811) 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, 25495 + ... + 26953.
It is an arithmetic number, because the mean of its divisors is an integer number (2036700).
Almost surely, 238260816 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38260816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40734000).
38260816 is an abundant number, since it is smaller than the sum of its proper divisors (43207184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38260816 is a wasteful number, since it uses less digits than its factorization.
38260816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1627 (or 1621 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 34.
The square root of 38260816 is about 6185.5327983934. The cubic root of 38260816 is about 336.9649603876.
The spelling of 38260816 in words is "thirty-eight million, two hundred sixty thousand, eight hundred sixteen".
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