Base | Representation |
---|---|
bin | 1001010001000… |
… | …0101000110100 |
3 | 2201010120101111 |
4 | 2110100220310 |
5 | 34422143320 |
6 | 3505004404 |
7 | 651231244 |
oct | 224205064 |
9 | 81116344 |
10 | 38865460 |
11 | 1aa36217 |
12 | 11023704 |
13 | 808a31a |
14 | 5239b24 |
15 | 362aa5a |
hex | 2510a34 |
38865460 has 12 divisors (see below), whose sum is σ = 81617508. Its totient is φ = 15546176.
The previous prime is 38865443. The next prime is 38865461. The reversal of 38865460 is 6456883.
It can be written as a sum of positive squares in 2 ways, for example, as 14303524 + 24561936 = 3782^2 + 4956^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38865461) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971617 + ... + 971656.
It is an arithmetic number, because the mean of its divisors is an integer number (6801459).
Almost surely, 238865460 is an apocalyptic number.
It is an amenable number.
38865460 is an abundant number, since it is smaller than the sum of its proper divisors (42752048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38865460 is a wasteful number, since it uses less digits than its factorization.
38865460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1943282 (or 1943280 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 40.
The square root of 38865460 is about 6234.2168714282. The cubic root of 38865460 is about 338.7307346877.
The spelling of 38865460 in words is "thirty-eight million, eight hundred sixty-five thousand, four hundred sixty".
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