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212252103 = 33710910303
BaseRepresentation
bin11001010011010…
…11010111000111
3112210101112011000
430221223113013
5413314031403
633021144343
75155053540
oct1451532707
9483345130
10212252103
11a98a1168
125b0bb0b3
1334c86c7b
14202914c7
15139797a3
hexca6b5c7

212252103 has 32 divisors (see below), whose sum is σ = 362700800. Its totient is φ = 120162528.

The previous prime is 212252077. The next prime is 212252111. The reversal of 212252103 is 301252212.

It is not a de Polignac number, because 212252103 - 28 = 212251847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212252903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15450 + ... + 25752.

It is an arithmetic number, because the mean of its divisors is an integer number (11334400).

Almost surely, 2212252103 is an apocalyptic number.

212252103 is a deficient number, since it is larger than the sum of its proper divisors (150448697).

212252103 is a wasteful number, since it uses less digits than its factorization.

212252103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10428 (or 10422 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 212252103 is about 14568.8744589278. The cubic root of 212252103 is about 596.5094579046.

The spelling of 212252103 in words is "two hundred twelve million, two hundred fifty-two thousand, one hundred three".

Divisors: 1 3 7 9 21 27 63 109 189 327 763 981 2289 2943 6867 10303 20601 30909 72121 92727 216363 278181 649089 1123027 1947267 3369081 7861189 10107243 23583567 30321729 70750701 212252103