Base | Representation |
---|---|
bin | 1001000111010… |
… | …1000001100101 |
3 | 2122221012001102 |
4 | 2101311001211 |
5 | 34241244234 |
6 | 3443205445 |
7 | 642635045 |
oct | 221650145 |
9 | 78835042 |
10 | 38228069 |
11 | 1a640350 |
12 | 10976885 |
13 | 7bc6179 |
14 | 5111725 |
15 | 3551c7e |
hex | 2475065 |
38228069 has 8 divisors (see below), whose sum is σ = 42009408. Its totient is φ = 34497760.
The previous prime is 38228059. The next prime is 38228101. The reversal of 38228069 is 96082283.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-38228069 is a prime.
It is a super-2 number, since 2×382280692 = 2922770518937522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38228059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11177 + ... + 14190.
It is an arithmetic number, because the mean of its divisors is an integer number (5251176).
Almost surely, 238228069 is an apocalyptic number.
It is an amenable number.
38228069 is a deficient number, since it is larger than the sum of its proper divisors (3781339).
38228069 is a wasteful number, since it uses less digits than its factorization.
38228069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25515.
The product of its (nonzero) digits is 41472, while the sum is 38.
The square root of 38228069 is about 6182.8851679455. The cubic root of 38228069 is about 336.8687981138.
The spelling of 38228069 in words is "thirty-eight million, two hundred twenty-eight thousand, sixty-nine".
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