Base | Representation |
---|---|
bin | 1001000111000… |
… | …1000111001010 |
3 | 2122220101001211 |
4 | 2101301013022 |
5 | 34240241132 |
6 | 3443003334 |
7 | 642540241 |
oct | 221610712 |
9 | 78811054 |
10 | 38212042 |
11 | 1a62a300 |
12 | 1096954a |
13 | 7bbba9b |
14 | 5109958 |
15 | 354c147 |
hex | 24711ca |
38212042 has 12 divisors (see below), whose sum is σ = 63002898. Its totient is φ = 17369000.
The previous prime is 38212003. The next prime is 38212051. The reversal of 38212042 is 24021283.
It can be written as a sum of positive squares in only one way, i.e., 35153041 + 3059001 = 5929^2 + 1749^2 .
It is a Harshad number since it is a multiple of its sum of digits (22).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78709 + ... + 79192.
Almost surely, 238212042 is an apocalyptic number.
38212042 is a deficient number, since it is larger than the sum of its proper divisors (24790856).
38212042 is a wasteful number, since it uses less digits than its factorization.
38212042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157925 (or 157914 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 38212042 is about 6181.5889543062. The cubic root of 38212042 is about 336.8217144652.
The spelling of 38212042 in words is "thirty-eight million, two hundred twelve thousand, forty-two".
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