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200712 = 2338363
BaseRepresentation
bin110001000000001000
3101012022210
4301000020
522410322
64145120
71464111
oct610010
9335283
10200712
11127886
12981a0
1370485
1453208
153e70c
hex31008

200712 has 16 divisors (see below), whose sum is σ = 501840. Its totient is φ = 66896.

The previous prime is 200699. The next prime is 200713. The reversal of 200712 is 217002.

200712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (200713) by changing a digit.

200712 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4158 + ... + 4205.

It is an arithmetic number, because the mean of its divisors is an integer number (31365).

2200712 is an apocalyptic number.

It is an amenable number.

200712 is an abundant number, since it is smaller than the sum of its proper divisors (301128).

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

200712 is a wasteful number, since it uses less digits than its factorization.

200712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8372 (or 8368 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 200712 is about 448.0089284825. The cubic root of 200712 is about 58.5496692637.

Adding to 200712 its reverse (217002), we get a palindrome (417714).

Subtracting 200712 from its reverse (217002), we obtain a triangular number (16290 = T180).

The spelling of 200712 in words is "two hundred thousand, seven hundred twelve", and thus it is an iban number.

Divisors: 1 2 3 4 6 8 12 24 8363 16726 25089 33452 50178 66904 100356 200712