Base | Representation |
---|---|
bin | 1001010001110… |
… | …1110001100001 |
3 | 2201020022012021 |
4 | 2110131301201 |
5 | 34430404030 |
6 | 3510101441 |
7 | 651544150 |
oct | 224356141 |
9 | 81208167 |
10 | 38919265 |
11 | 1aa72690 |
12 | 1104a881 |
13 | 80a8968 |
14 | 5251597 |
15 | 363b97a |
hex | 251dc61 |
38919265 has 16 divisors (see below), whose sum is σ = 58227840. Its totient is φ = 24261120.
The previous prime is 38919253. The next prime is 38919269. The reversal of 38919265 is 56291983.
It is a happy number.
It is not a de Polignac number, because 38919265 - 25 = 38919233 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38919269) 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, 50160 + ... + 50929.
It is an arithmetic number, because the mean of its divisors is an integer number (3639240).
Almost surely, 238919265 is an apocalyptic number.
38919265 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
38919265 is a deficient number, since it is larger than the sum of its proper divisors (19308575).
38919265 is a wasteful number, since it uses less digits than its factorization.
38919265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101112.
The product of its digits is 116640, while the sum is 43.
The square root of 38919265 is about 6238.5306763692. The cubic root of 38919265 is about 338.8869745580.
The spelling of 38919265 in words is "thirty-eight million, nine hundred nineteen thousand, two hundred sixty-five".
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