Base | Representation |
---|---|
bin | 1001000100111… |
… | …0101101000101 |
3 | 2122122012202002 |
4 | 2101032231011 |
5 | 34221233414 |
6 | 3435555045 |
7 | 641412326 |
oct | 221165505 |
9 | 78565662 |
10 | 38071109 |
11 | 1a54342a |
12 | 108bba85 |
13 | 7b6c8ab |
14 | 50b044d |
15 | 35204de |
hex | 244eb45 |
38071109 has 8 divisors (see below), whose sum is σ = 40419288. Its totient is φ = 35735040.
The previous prime is 38071097. The next prime is 38071133. The reversal of 38071109 is 90117083.
It can be written as a sum of positive squares in 4 ways, for example, as 25786084 + 12285025 = 5078^2 + 3505^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38071109 - 24 = 38071093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38071199) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3929 + ... + 9569.
It is an arithmetic number, because the mean of its divisors is an integer number (5052411).
Almost surely, 238071109 is an apocalyptic number.
It is an amenable number.
38071109 is a deficient number, since it is larger than the sum of its proper divisors (2348179).
38071109 is a wasteful number, since it uses less digits than its factorization.
38071109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6055.
The product of its (nonzero) digits is 1512, while the sum is 29.
The square root of 38071109 is about 6170.1790087484. The cubic root of 38071109 is about 336.4071176475.
The spelling of 38071109 in words is "thirty-eight million, seventy-one thousand, one hundred nine".
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