Base | Representation |
---|---|
bin | 1001001011110… |
… | …0100001101110 |
3 | 2200111001210120 |
4 | 2102330201232 |
5 | 34330132232 |
6 | 3453345410 |
7 | 645264645 |
oct | 222744156 |
9 | 80431716 |
10 | 38520942 |
11 | 1a820399 |
12 | 10a98266 |
13 | 7c99575 |
14 | 518a35c |
15 | 35ad92c |
hex | 24bc86e |
38520942 has 16 divisors (see below), whose sum is σ = 81096960. Its totient is φ = 12164472.
The previous prime is 38520917. The next prime is 38520947. The reversal of 38520942 is 24902583.
It is a happy number.
38520942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38520947) 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 7 ways as a sum of consecutive naturals, for example, 168838 + ... + 169065.
It is an arithmetic number, because the mean of its divisors is an integer number (5068560).
Almost surely, 238520942 is an apocalyptic number.
38520942 is an abundant number, since it is smaller than the sum of its proper divisors (42576018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38520942 is a wasteful number, since it uses less digits than its factorization.
38520942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 337927.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 38520942 is about 6206.5241480236. The cubic root of 38520942 is about 337.7268839317.
The spelling of 38520942 in words is "thirty-eight million, five hundred twenty thousand, nine hundred forty-two".
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