Base | Representation |
---|---|
bin | 1001000111001… |
… | …1011000010111 |
3 | 2122220211211000 |
4 | 2101303120113 |
5 | 34241040320 |
6 | 3443114343 |
7 | 642606315 |
oct | 221633027 |
9 | 78824730 |
10 | 38221335 |
11 | 1a636289 |
12 | 109729b3 |
13 | 7bc3099 |
14 | 510d0b5 |
15 | 354ec90 |
hex | 2473617 |
38221335 has 16 divisors (see below), whose sum is σ = 67949280. Its totient is φ = 20384640.
The previous prime is 38221303. The next prime is 38221361. The reversal of 38221335 is 53312283.
38221335 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38221335 - 25 = 38221303 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 38221299 and 38221308.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 141426 + ... + 141695.
It is an arithmetic number, because the mean of its divisors is an integer number (4246830).
Almost surely, 238221335 is an apocalyptic number.
38221335 is a deficient number, since it is larger than the sum of its proper divisors (29727945).
38221335 is a wasteful number, since it uses less digits than its factorization.
38221335 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 283135 (or 283129 counting only the distinct ones).
The product of its digits is 4320, while the sum is 27.
The square root of 38221335 is about 6182.3405761896. The cubic root of 38221335 is about 336.8490167703.
The spelling of 38221335 in words is "thirty-eight million, two hundred twenty-one thousand, three hundred thirty-five".
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