Base | Representation |
---|---|
bin | 1001010001111… |
… | …0100011001101 |
3 | 2201020110120001 |
4 | 2110132203031 |
5 | 34431004240 |
6 | 3510124301 |
7 | 651556342 |
oct | 224364315 |
9 | 81213501 |
10 | 38922445 |
11 | 1aa75011 |
12 | 11050691 |
13 | 80aa243 |
14 | 52527c9 |
15 | 363c89a |
hex | 251e8cd |
38922445 has 8 divisors (see below), whose sum is σ = 46792440. Its totient is φ = 31080960.
The previous prime is 38922419. The next prime is 38922449. The reversal of 38922445 is 54422983.
It is a happy number.
38922445 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 4 ways, for example, as 5963364 + 32959081 = 2442^2 + 5741^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38922445 - 211 = 38920397 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38922449) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 3996 + ... + 9685.
It is an arithmetic number, because the mean of its divisors is an integer number (5849055).
Almost surely, 238922445 is an apocalyptic number.
It is an amenable number.
38922445 is a deficient number, since it is larger than the sum of its proper divisors (7869995).
38922445 is a wasteful number, since it uses less digits than its factorization.
38922445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14255.
The product of its digits is 69120, while the sum is 37.
The square root of 38922445 is about 6238.7855388689. The cubic root of 38922445 is about 338.8962041878.
The spelling of 38922445 in words is "thirty-eight million, nine hundred twenty-two thousand, four hundred forty-five".
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