Base | Representation |
---|---|
bin | 1001010001000… |
… | …1100010011010 |
3 | 2201010202110000 |
4 | 2110101202122 |
5 | 34422303041 |
6 | 3505033430 |
7 | 651245061 |
oct | 224214232 |
9 | 81122400 |
10 | 38869146 |
11 | 1aa38a68 |
12 | 11025876 |
13 | 808bbc4 |
14 | 523b1d8 |
15 | 362bbb6 |
hex | 251189a |
38869146 has 20 divisors (see below), whose sum is σ = 87096042. Its totient is φ = 12956328.
The previous prime is 38869109. The next prime is 38869169. The reversal of 38869146 is 64196883.
It can be written as a sum of positive squares in only one way, i.e., 27720225 + 11148921 = 5265^2 + 3339^2 .
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 119805 + ... + 120128.
Almost surely, 238869146 is an apocalyptic number.
38869146 is an abundant number, since it is smaller than the sum of its proper divisors (48226896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38869146 is a wasteful number, since it uses less digits than its factorization.
38869146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239947 (or 239938 counting only the distinct ones).
The product of its digits is 248832, while the sum is 45.
The square root of 38869146 is about 6234.5124909651. The cubic root of 38869146 is about 338.7414427562.
The spelling of 38869146 in words is "thirty-eight million, eight hundred sixty-nine thousand, one hundred forty-six".
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