Base | Representation |
---|---|
bin | 1001001001101… |
… | …1111011010100 |
3 | 2200020021122000 |
4 | 2102123323110 |
5 | 34311344122 |
6 | 3450435300 |
7 | 644200440 |
oct | 222337324 |
9 | 80207560 |
10 | 38387412 |
11 | 1a73a038 |
12 | 10a32b30 |
13 | 7c5085b |
14 | 5153820 |
15 | 35840ac |
hex | 249bed4 |
38387412 has 48 divisors (see below), whose sum is σ = 113742720. Its totient is φ = 10967616.
The previous prime is 38387407. The next prime is 38387413. The reversal of 38387412 is 21478383.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38387413) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24633 + ... + 26144.
It is an arithmetic number, because the mean of its divisors is an integer number (2369640).
Almost surely, 238387412 is an apocalyptic number.
It is an amenable number.
38387412 is an abundant number, since it is smaller than the sum of its proper divisors (75355308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38387412 is a wasteful number, since it uses less digits than its factorization.
38387412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50797 (or 50789 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 38387412 is about 6195.7575807967. The cubic root of 38387412 is about 337.3361970556.
The spelling of 38387412 in words is "thirty-eight million, three hundred eighty-seven thousand, four hundred twelve".
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