Base | Representation |
---|---|
bin | 1001000100101… |
… | …0000000111101 |
3 | 2122121020101200 |
4 | 2101022000331 |
5 | 34220130101 |
6 | 3435330113 |
7 | 641302326 |
oct | 221120075 |
9 | 78536350 |
10 | 38051901 |
11 | 1a52aa58 |
12 | 108b0939 |
13 | 7b63c24 |
14 | 50a744d |
15 | 3519986 |
hex | 244a03d |
38051901 has 6 divisors (see below), whose sum is σ = 54963870. Its totient is φ = 25367928.
The previous prime is 38051891. The next prime is 38051903. The reversal of 38051901 is 10915083.
It can be written as a sum of positive squares in only one way, i.e., 19980900 + 18071001 = 4470^2 + 4251^2 .
It is not a de Polignac number, because 38051901 - 26 = 38051837 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38051903) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2113986 + ... + 2114003.
It is an arithmetic number, because the mean of its divisors is an integer number (9160645).
Almost surely, 238051901 is an apocalyptic number.
It is an amenable number.
38051901 is a deficient number, since it is larger than the sum of its proper divisors (16911969).
38051901 is a wasteful number, since it uses less digits than its factorization.
38051901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4227995 (or 4227992 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 27.
The square root of 38051901 is about 6168.6222935109. The cubic root of 38051901 is about 336.3505323514.
Adding to 38051901 its reverse (10915083), we get a palindrome (48966984).
The spelling of 38051901 in words is "thirty-eight million, fifty-one thousand, nine hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •