Base | Representation |
---|---|
bin | 1001010000001… |
… | …0100011000100 |
3 | 2201000122020000 |
4 | 2110002203010 |
5 | 34413321443 |
6 | 3503441300 |
7 | 650601060 |
oct | 224024304 |
9 | 81018200 |
10 | 38807748 |
11 | 1a9a6921 |
12 | 10bb6230 |
13 | 8069c85 |
14 | 5222aa0 |
15 | 36188d3 |
hex | 25028c4 |
38807748 has 120 divisors (see below), whose sum is σ = 118065024. Its totient is φ = 10886400.
The previous prime is 38807711. The next prime is 38807767. The reversal of 38807748 is 84770883.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 160908 + ... + 161148.
Almost surely, 238807748 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 38807748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59032512).
38807748 is an abundant number, since it is smaller than the sum of its proper divisors (79257276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38807748 is a wasteful number, since it uses less digits than its factorization.
38807748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335 (or 324 counting only the distinct ones).
The product of its (nonzero) digits is 301056, while the sum is 45.
The square root of 38807748 is about 6229.5865031316. The cubic root of 38807748 is about 338.5629892373.
It can be divided in two parts, 3880 and 7748, that added together give a triangular number (11628 = T152).
The spelling of 38807748 in words is "thirty-eight million, eight hundred seven thousand, seven hundred forty-eight".
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