Base | Representation |
---|---|
bin | 1001001111110… |
… | …0011101010001 |
3 | 2200222101000001 |
4 | 2103330131101 |
5 | 34412022201 |
6 | 3503130001 |
7 | 650435251 |
oct | 223743521 |
9 | 80871001 |
10 | 38782801 |
11 | 1a98a102 |
12 | 10ba3901 |
13 | 805b805 |
14 | 5217961 |
15 | 3611301 |
hex | 24fc751 |
38782801 has 2 divisors, whose sum is σ = 38782802. Its totient is φ = 38782800.
The previous prime is 38782787. The next prime is 38782811. The reversal of 38782801 is 10828783.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 26532801 + 12250000 = 5151^2 + 3500^2 .
It is a cyclic number.
It is not a de Polignac number, because 38782801 - 213 = 38774609 is a prime.
It is not a weakly prime, because it can be changed into another prime (38782811) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19391400 + 19391401.
It is an arithmetic number, because the mean of its divisors is an integer number (19391401).
Almost surely, 238782801 is an apocalyptic number.
It is an amenable number.
38782801 is a deficient number, since it is larger than the sum of its proper divisors (1).
38782801 is an equidigital number, since it uses as much as digits as its factorization.
38782801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 21504, while the sum is 37.
The square root of 38782801 is about 6227.5838814102. The cubic root of 38782801 is about 338.4904269115.
The spelling of 38782801 in words is "thirty-eight million, seven hundred eighty-two thousand, eight hundred one".
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