Base | Representation |
---|---|
bin | 1001010010111… |
… | …0110111011000 |
3 | 2201100212020010 |
4 | 2110232313120 |
5 | 34440124042 |
6 | 3511401520 |
7 | 652255230 |
oct | 224566730 |
9 | 81325203 |
10 | 38989272 |
11 | 20010243 |
12 | 110832a0 |
13 | 810179a |
14 | 526ccc0 |
15 | 365259c |
hex | 252edd8 |
38989272 has 32 divisors (see below), whose sum is σ = 111398400. Its totient is φ = 11139744.
The previous prime is 38989229. The next prime is 38989283. The reversal of 38989272 is 27298983.
It is a happy number.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115872 + ... + 116207.
It is an arithmetic number, because the mean of its divisors is an integer number (3481200).
Almost surely, 238989272 is an apocalyptic number.
It is an amenable number.
38989272 is an abundant number, since it is smaller than the sum of its proper divisors (72409128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38989272 is a wasteful number, since it uses less digits than its factorization.
38989272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232095 (or 232091 counting only the distinct ones).
The product of its digits is 435456, while the sum is 48.
The square root of 38989272 is about 6244.1390119055. The cubic root of 38989272 is about 339.0900466495.
The spelling of 38989272 in words is "thirty-eight million, nine hundred eighty-nine thousand, two hundred seventy-two".
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