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212025033 = 351127211
BaseRepresentation
bin11001010001100…
…11111011001001
3112202221222200000
430220303323021
5413234300113
633012233213
75153116533
oct1450637311
9482858600
10212025033
11a9756600
125b00b809
1334c077cc
1420232853
1513932373
hexca33ec9

212025033 has 36 divisors (see below), whose sum is σ = 349147344. Its totient is φ = 128482200.

The previous prime is 212025013. The next prime is 212025067. The reversal of 212025033 is 330520212.

It is not a de Polignac number, because 212025033 - 25 = 212025001 is a prime.

It is a super-2 number, since 2×2120250332 = 89909229237302178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212024997 and 212025015.

It is not an unprimeable number, because it can be changed into a prime (212025013) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25798 + ... + 33008.

Almost surely, 2212025033 is an apocalyptic number.

It is an amenable number.

212025033 is a deficient number, since it is larger than the sum of its proper divisors (137122311).

212025033 is an equidigital number, since it uses as much as digits as its factorization.

212025033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7248 (or 7225 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 212025033 is about 14561.0793899353. The cubic root of 212025033 is about 596.2966642012.

Adding to 212025033 its reverse (330520212), we get a palindrome (542545245).

The spelling of 212025033 in words is "two hundred twelve million, twenty-five thousand, thirty-three".

Divisors: 1 3 9 11 27 33 81 99 121 243 297 363 891 1089 2673 3267 7211 9801 21633 29403 64899 79321 194697 237963 584091 713889 872531 1752273 2141667 2617593 6425001 7852779 19275003 23558337 70675011 212025033