Base | Representation |
---|---|
bin | 1001000111111… |
… | …1100100100001 |
3 | 2200000101022021 |
4 | 2101333210201 |
5 | 34244140030 |
6 | 3444141441 |
7 | 643205014 |
oct | 221774441 |
9 | 80011267 |
10 | 38271265 |
11 | 1a66a84a |
12 | 10997881 |
13 | 7c0ca26 |
14 | 512337b |
15 | 355e97a |
hex | 247f921 |
38271265 has 4 divisors (see below), whose sum is σ = 45925524. Its totient is φ = 30617008.
The previous prime is 38271229. The next prime is 38271281. The reversal of 38271265 is 56217283.
It is a happy number.
38271265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 25796241 + 12475024 = 5079^2 + 3532^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38271265 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38271265.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3827122 + ... + 3827131.
It is an arithmetic number, because the mean of its divisors is an integer number (11481381).
Almost surely, 238271265 is an apocalyptic number.
It is an amenable number.
38271265 is a deficient number, since it is larger than the sum of its proper divisors (7654259).
38271265 is an equidigital number, since it uses as much as digits as its factorization.
38271265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7654258.
The product of its digits is 20160, while the sum is 34.
The square root of 38271265 is about 6186.3773729057. The cubic root of 38271265 is about 336.9956325544.
It can be divided in two parts, 38 and 271265, that multiplied together give a triangular number (10308070 = T4540).
The spelling of 38271265 in words is "thirty-eight million, two hundred seventy-one thousand, two hundred sixty-five".
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