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212410253 = 11199671051
BaseRepresentation
bin11001010100100…
…01111110001101
3112210200120002102
430222101332031
5413334112003
633024404445
75156312606
oct1452217615
9483616072
10212410253
11a9999a70
125b176725
1335010c53
14202d2dad
15139ab588
hexca91f8d

212410253 has 16 divisors (see below), whose sum is σ = 244400640. Its totient is φ = 182574000.

The previous prime is 212410199. The next prime is 212410259. The reversal of 212410253 is 352014212.

It is a cyclic number.

It is not a de Polignac number, because 212410253 - 212 = 212406157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212410259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201578 + ... + 202628.

It is an arithmetic number, because the mean of its divisors is an integer number (15275040).

Almost surely, 2212410253 is an apocalyptic number.

It is an amenable number.

212410253 is a deficient number, since it is larger than the sum of its proper divisors (31990387).

212410253 is a wasteful number, since it uses less digits than its factorization.

212410253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 212410253 is about 14574.3011153194. The cubic root of 212410253 is about 596.6575750863.

Adding to 212410253 its reverse (352014212), we get a palindrome (564424465).

The spelling of 212410253 in words is "two hundred twelve million, four hundred ten thousand, two hundred fifty-three".

Divisors: 1 11 19 209 967 1051 10637 11561 18373 19969 202103 219659 1016317 11179487 19310023 212410253