Base | Representation |
---|---|
bin | 1001000101001… |
… | …0101001111001 |
3 | 2122200000221100 |
4 | 2101102221321 |
5 | 34222243124 |
6 | 3440202013 |
7 | 641510442 |
oct | 221225171 |
9 | 78600840 |
10 | 38087289 |
11 | 1a5545a9 |
12 | 10909309 |
13 | 7b77076 |
14 | 50b62c9 |
15 | 35251c9 |
hex | 2452a79 |
38087289 has 24 divisors (see below), whose sum is σ = 56583072. Its totient is φ = 24678720.
The previous prime is 38087281. The next prime is 38087297. The reversal of 38087289 is 98278083.
It is an interprime number because it is at equal distance from previous prime (38087281) and next prime (38087297).
It is not a de Polignac number, because 38087289 - 23 = 38087281 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38087281) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49669 + ... + 50429.
It is an arithmetic number, because the mean of its divisors is an integer number (2357628).
Almost surely, 238087289 is an apocalyptic number.
It is an amenable number.
38087289 is a deficient number, since it is larger than the sum of its proper divisors (18495783).
38087289 is a wasteful number, since it uses less digits than its factorization.
38087289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 917 (or 914 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The square root of 38087289 is about 6171.4900145751. The cubic root of 38087289 is about 336.4547679208.
The spelling of 38087289 in words is "thirty-eight million, eighty-seven thousand, two hundred eighty-nine".
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