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16814125 = 53134513
BaseRepresentation
bin100000000100…
…1000000101101
31011122020122101
41000021000231
513301023000
61400215101
7262626526
oct100110055
934566571
1016814125
119544779
12576a491
1336392b3
14233984d
151721e6a
hex100902d

16814125 has 8 divisors (see below), whose sum is σ = 20984184. Its totient is φ = 13451200.

The previous prime is 16814111. The next prime is 16814129. The reversal of 16814125 is 52141861.

It can be written as a sum of positive squares in 4 ways, for example, as 184041 + 16630084 = 429^2 + 4078^2 .

It is not a de Polignac number, because 16814125 - 25 = 16814093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16814093 and 16814102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16814129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67132 + ... + 67381.

It is an arithmetic number, because the mean of its divisors is an integer number (2623023).

Almost surely, 216814125 is an apocalyptic number.

It is an amenable number.

16814125 is a deficient number, since it is larger than the sum of its proper divisors (4170059).

16814125 is an equidigital number, since it uses as much as digits as its factorization.

16814125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134528 (or 134518 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 16814125 is about 4100.5030179235. The cubic root of 16814125 is about 256.1875913853.

Adding to 16814125 its reverse (52141861), we get a palindrome (68955986).

The spelling of 16814125 in words is "sixteen million, eight hundred fourteen thousand, one hundred twenty-five".

Divisors: 1 5 25 125 134513 672565 3362825 16814125