Base | Representation |
---|---|
bin | 1001000111000… |
… | …0110111100010 |
3 | 2122220022200210 |
4 | 2101300313202 |
5 | 34240223132 |
6 | 3442554550 |
7 | 642534312 |
oct | 221606742 |
9 | 78808623 |
10 | 38211042 |
11 | 1a629581 |
12 | 10968a56 |
13 | 7bbb4ac |
14 | 5109442 |
15 | 354bbcc |
hex | 2470de2 |
38211042 has 24 divisors (see below), whose sum is σ = 77623056. Its totient is φ = 12538128.
The previous prime is 38211037. The next prime is 38211077. The reversal of 38211042 is 24011283.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137808 + ... + 138084.
It is an arithmetic number, because the mean of its divisors is an integer number (3234294).
Almost surely, 238211042 is an apocalyptic number.
38211042 is an abundant number, since it is smaller than the sum of its proper divisors (39412014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38211042 is an equidigital number, since it uses as much as digits as its factorization.
38211042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 642 (or 365 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 38211042 is about 6181.5080684247. The cubic root of 38211042 is about 336.8187762583.
The spelling of 38211042 in words is "thirty-eight million, two hundred eleven thousand, forty-two".
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