Base | Representation |
---|---|
bin | 1001000100101… |
… | …0010000101101 |
3 | 2122121021210000 |
4 | 2101022100231 |
5 | 34220143114 |
6 | 3435334513 |
7 | 641305266 |
oct | 221122055 |
9 | 78537700 |
10 | 38052909 |
11 | 1a530794 |
12 | 108b1439 |
13 | 7b6451b |
14 | 50a796d |
15 | 3519e09 |
hex | 244a42d |
38052909 has 20 divisors (see below), whose sum is σ = 58385404. Its totient is φ = 24681024.
The previous prime is 38052899. The next prime is 38052941. The reversal of 38052909 is 90925083.
It can be written as a sum of positive squares in 2 ways, for example, as 21650409 + 16402500 = 4653^2 + 4050^2 .
It is not a de Polignac number, because 38052909 - 28 = 38052653 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 (38053909) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3352 + ... + 9345.
Almost surely, 238052909 is an apocalyptic number.
It is an amenable number.
38052909 is a deficient number, since it is larger than the sum of its proper divisors (20332495).
38052909 is a wasteful number, since it uses less digits than its factorization.
38052909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12746 (or 12737 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The square root of 38052909 is about 6168.7039967890. The cubic root of 38052909 is about 336.3535023155.
The spelling of 38052909 in words is "thirty-eight million, fifty-two thousand, nine hundred nine".
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