Base | Representation |
---|---|
bin | 1001010010110… |
… | …0110110111111 |
3 | 2201100102221210 |
4 | 2110230312333 |
5 | 34434343210 |
6 | 3511255503 |
7 | 652222251 |
oct | 224546677 |
9 | 81312853 |
10 | 38981055 |
11 | 20005053 |
12 | 1107a593 |
13 | 80cab19 |
14 | 5269cd1 |
15 | 364ee20 |
hex | 252cdbf |
38981055 has 8 divisors (see below), whose sum is σ = 62369712. Its totient is φ = 20789888.
The previous prime is 38981039. The next prime is 38981057. The reversal of 38981055 is 55018983.
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 38981055 - 24 = 38981039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38981057) 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, 1299354 + ... + 1299383.
It is an arithmetic number, because the mean of its divisors is an integer number (7796214).
Almost surely, 238981055 is an apocalyptic number.
38981055 is a deficient number, since it is larger than the sum of its proper divisors (23388657).
38981055 is a wasteful number, since it uses less digits than its factorization.
38981055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2598745.
The product of its (nonzero) digits is 43200, while the sum is 39.
The square root of 38981055 is about 6243.4810002113. The cubic root of 38981055 is about 339.0662238684.
The spelling of 38981055 in words is "thirty-eight million, nine hundred eighty-one thousand, fifty-five".
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