Base | Representation |
---|---|
bin | 1001010000000… |
… | …0110111101111 |
3 | 2201000021210121 |
4 | 2110000313233 |
5 | 34413112004 |
6 | 3503345411 |
7 | 650542045 |
oct | 224006757 |
9 | 81007717 |
10 | 38800879 |
11 | 1a9a1747 |
12 | 10bb2267 |
13 | 8066b00 |
14 | 5220395 |
15 | 3616854 |
hex | 2500def |
38800879 has 6 divisors (see below), whose sum is σ = 42015336. Its totient is φ = 35816040.
The previous prime is 38800859. The next prime is 38800889. The reversal of 38800879 is 97800883.
It is a happy number.
38800879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38800879 - 29 = 38800367 is a prime.
It is a super-2 number, since 2×388008792 = 3011016422345282, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38800849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114627 + ... + 114964.
It is an arithmetic number, because the mean of its divisors is an integer number (7002556).
Almost surely, 238800879 is an apocalyptic number.
38800879 is a deficient number, since it is larger than the sum of its proper divisors (3214457).
38800879 is a wasteful number, since it uses less digits than its factorization.
38800879 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229617 (or 229604 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 43.
The square root of 38800879 is about 6229.0351580321. The cubic root of 38800879 is about 338.5430127591.
The spelling of 38800879 in words is "thirty-eight million, eight hundred thousand, eight hundred seventy-nine".
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