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206752412 = 2251688103
BaseRepresentation
bin11000101001011…
…00101010011100
3112102001002222202
430110230222130
5410412034122
632303231032
75060236466
oct1424545234
9472032882
10206752412
11a6785169
12592a8478
1333aac909
141d65d136
151323ee92
hexc52ca9c

206752412 has 6 divisors (see below), whose sum is σ = 361816728. Its totient is φ = 103376204.

The previous prime is 206752393. The next prime is 206752457. The reversal of 206752412 is 214257602.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25844048 + ... + 25844055.

It is an arithmetic number, because the mean of its divisors is an integer number (60302788).

Almost surely, 2206752412 is an apocalyptic number.

It is an amenable number.

206752412 is a deficient number, since it is larger than the sum of its proper divisors (155064316).

206752412 is a wasteful number, since it uses less digits than its factorization.

206752412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51688107 (or 51688105 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 206752412 is about 14378.8877177618. The cubic root of 206752412 is about 591.3122300993.

The spelling of 206752412 in words is "two hundred six million, seven hundred fifty-two thousand, four hundred twelve".

Divisors: 1 2 4 51688103 103376206 206752412