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102020212 = 2273643579
BaseRepresentation
bin1100001010010…
…11010001110100
321002222011102101
412011023101310
5202104121322
614042351444
72346105010
oct605132164
9232864371
10102020212
1152651328
122a1bb584
13181a01b8
14d799540
158e53327
hex614b474

102020212 has 12 divisors (see below), whose sum is σ = 204040480. Its totient is φ = 43722936.

The previous prime is 102020189. The next prime is 102020227. The reversal of 102020212 is 212020201.

102020212 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1821762 + ... + 1821817.

Almost surely, 2102020212 is an apocalyptic number.

It is an amenable number.

102020212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102020212 is a wasteful number, since it uses less digits than its factorization.

102020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643590 (or 3643588 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 102020212 is about 10100.5055319028. The cubic root of 102020212 is about 467.2637325973.

Adding to 102020212 its reverse (212020201), we get a palindrome (314040413).

The spelling of 102020212 in words is "one hundred two million, twenty thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 3643579 7287158 14574316 25505053 51010106 102020212