Base | Representation |
---|---|
bin | 1001001010010… |
… | …0100001100001 |
3 | 2200022001221012 |
4 | 2102210201201 |
5 | 34314011000 |
6 | 3451310305 |
7 | 644405213 |
oct | 222444141 |
9 | 80261835 |
10 | 38422625 |
11 | 1a76353a |
12 | 10a4b395 |
13 | 7c638a7 |
14 | 51625b3 |
15 | 358e735 |
hex | 24a4861 |
38422625 has 8 divisors (see below), whose sum is σ = 47951592. Its totient is φ = 30738000.
The previous prime is 38422621. The next prime is 38422639. The reversal of 38422625 is 52622483.
It can be written as a sum of positive squares in 4 ways, for example, as 8567329 + 29855296 = 2927^2 + 5464^2 .
It is not a de Polignac number, because 38422625 - 22 = 38422621 is a prime.
It is a super-2 number, since 2×384226252 = 2952596223781250, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38422591 and 38422600.
It is not an unprimeable number, because it can be changed into a prime (38422621) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153566 + ... + 153815.
It is an arithmetic number, because the mean of its divisors is an integer number (5993949).
Almost surely, 238422625 is an apocalyptic number.
It is an amenable number.
38422625 is a deficient number, since it is larger than the sum of its proper divisors (9528967).
38422625 is an equidigital number, since it uses as much as digits as its factorization.
38422625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307396 (or 307386 counting only the distinct ones).
The product of its digits is 23040, while the sum is 32.
The square root of 38422625 is about 6198.5986319490. The cubic root of 38422625 is about 337.4393123620.
The spelling of 38422625 in words is "thirty-eight million, four hundred twenty-two thousand, six hundred twenty-five".
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