Base | Representation |
---|---|
bin | 1001000100110… |
… | …1111110110001 |
3 | 2122122001200022 |
4 | 2101031332301 |
5 | 34221140040 |
6 | 3435533225 |
7 | 641400563 |
oct | 221157661 |
9 | 78561608 |
10 | 38068145 |
11 | 1a541185 |
12 | 108ba215 |
13 | 7b6b43b |
14 | 50ad333 |
15 | 351e6b5 |
hex | 244dfb1 |
38068145 has 4 divisors (see below), whose sum is σ = 45681780. Its totient is φ = 30454512.
The previous prime is 38068099. The next prime is 38068169. The reversal of 38068145 is 54186083.
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 11771761 + 26296384 = 3431^2 + 5128^2 .
It is a cyclic number.
It is not a de Polignac number, because 38068145 - 220 = 37019569 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3806810 + ... + 3806819.
It is an arithmetic number, because the mean of its divisors is an integer number (11420445).
Almost surely, 238068145 is an apocalyptic number.
It is an amenable number.
38068145 is a deficient number, since it is larger than the sum of its proper divisors (7613635).
38068145 is an equidigital number, since it uses as much as digits as its factorization.
38068145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7613634.
The product of its (nonzero) digits is 23040, while the sum is 35.
The square root of 38068145 is about 6169.9388165524. The cubic root of 38068145 is about 336.3983871727.
The spelling of 38068145 in words is "thirty-eight million, sixty-eight thousand, one hundred forty-five".
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