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212035225 = 528481409
BaseRepresentation
bin11001010001101…
…10011010011001
3112202222111122111
430220312122121
5413240111400
633012352321
75153161333
oct1450663231
9482874574
10212035225
11a9763226
125b0156a1
1334c0c33c
1420236453
15139353ba
hexca36699

212035225 has 6 divisors (see below), whose sum is σ = 262923710. Its totient is φ = 169628160.

The previous prime is 212035223. The next prime is 212035247. The reversal of 212035225 is 522530212.

212035225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 8202496 + 203832729 = 2864^2 + 14277^2 .

It is not a de Polignac number, because 212035225 - 21 = 212035223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212035196 and 212035205.

It is not an unprimeable number, because it can be changed into a prime (212035223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4240680 + ... + 4240729.

Almost surely, 2212035225 is an apocalyptic number.

212035225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212035225 is a deficient number, since it is larger than the sum of its proper divisors (50888485).

212035225 is an equidigital number, since it uses as much as digits as its factorization.

212035225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8481419 (or 8481414 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 212035225 is about 14561.4293597847. The cubic root of 212035225 is about 596.3062186677.

Adding to 212035225 its reverse (522530212), we get a palindrome (734565437).

The spelling of 212035225 in words is "two hundred twelve million, thirty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 8481409 42407045 212035225