Base | Representation |
---|---|
bin | 1001000111111… |
… | …1101010000100 |
3 | 2200000101210102 |
4 | 2101333222010 |
5 | 34244142440 |
6 | 3444143232 |
7 | 643206032 |
oct | 221775204 |
9 | 80011712 |
10 | 38271620 |
11 | 1a670042 |
12 | 10997b18 |
13 | 7c0cc3a |
14 | 5123552 |
15 | 355eb15 |
hex | 247fa84 |
38271620 has 12 divisors (see below), whose sum is σ = 80370444. Its totient is φ = 15308640.
The previous prime is 38271613. The next prime is 38271647. The reversal of 38271620 is 2617283.
It is a happy number.
38271620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 6031936 + 32239684 = 2456^2 + 5678^2 .
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, 956771 + ... + 956810.
It is an arithmetic number, because the mean of its divisors is an integer number (6697537).
Almost surely, 238271620 is an apocalyptic number.
It is an amenable number.
38271620 is an abundant number, since it is smaller than the sum of its proper divisors (42098824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38271620 is a wasteful number, since it uses less digits than its factorization.
38271620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1913590 (or 1913588 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 38271620 is about 6186.4060649136. The cubic root of 38271620 is about 336.9966745292.
The spelling of 38271620 in words is "thirty-eight million, two hundred seventy-one thousand, six hundred twenty".
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