Base | Representation |
---|---|
bin | 1001001000010… |
… | …1110111110000 |
3 | 2200001200201002 |
4 | 2102011313300 |
5 | 34301001242 |
6 | 3444501132 |
7 | 643343162 |
oct | 222056760 |
9 | 80050632 |
10 | 38297072 |
11 | 1a688180 |
12 | 109aa7a8 |
13 | 7c1b6b8 |
14 | 512c932 |
15 | 3567432 |
hex | 2485df0 |
38297072 has 40 divisors (see below), whose sum is σ = 83147952. Its totient is φ = 16934400.
The previous prime is 38297071. The next prime is 38297099. The reversal of 38297072 is 27079283.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38297071) 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, 3572 + ... + 9452.
Almost surely, 238297072 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 38297072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41573976).
38297072 is an abundant number, since it is smaller than the sum of its proper divisors (44850880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38297072 is a wasteful number, since it uses less digits than its factorization.
38297072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5937 (or 5931 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 38.
The square root of 38297072 is about 6188.4628139789. The cubic root of 38297072 is about 337.0713629334.
It can be divided in two parts, 3829 and 7072, that added together give a palindrome (10901).
The spelling of 38297072 in words is "thirty-eight million, two hundred ninety-seven thousand, seventy-two".
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