Base | Representation |
---|---|
bin | 1001000101010… |
… | …1110011111110 |
3 | 2122200200200100 |
4 | 2101111303332 |
5 | 34223201342 |
6 | 3440341530 |
7 | 641563236 |
oct | 221256376 |
9 | 78620610 |
10 | 38100222 |
11 | 1a563296 |
12 | 109148a6 |
13 | 7b7cc14 |
14 | 50bacc6 |
15 | 3528e4c |
hex | 2455cfe |
38100222 has 12 divisors (see below), whose sum is σ = 82550520. Its totient is φ = 12700068.
The previous prime is 38100217. The next prime is 38100313. The reversal of 38100222 is 22200183.
It is a happy number.
It is a super-3 number, since 3×381002223 (a number of 24 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2116679 = 38100222 / (3 + 8 + 1 + 0 + 0 + 2 + 2 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 38100195 and 38100204.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1058322 + ... + 1058357.
It is an arithmetic number, because the mean of its divisors is an integer number (6879210).
Almost surely, 238100222 is an apocalyptic number.
38100222 is an abundant number, since it is smaller than the sum of its proper divisors (44450298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38100222 is a wasteful number, since it uses less digits than its factorization.
38100222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2116687 (or 2116684 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 38100222 is about 6172.5377277097. The cubic root of 38100222 is about 336.4928460409.
The spelling of 38100222 in words is "thirty-eight million, one hundred thousand, two hundred twenty-two".
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