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201207 = 3471427
BaseRepresentation
bin110001000111110111
3101020000010
4301013313
522414312
64151303
71465416
oct610767
9336003
10201207
11128196
1298533
1370776
145347d
153e93c
hex311f7

201207 has 8 divisors (see below), whose sum is σ = 274176. Its totient is φ = 131192.

The previous prime is 201203. The next prime is 201209. The reversal of 201207 is 702102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201207 - 22 = 201203 is a prime.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 201192 and 201201.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 201207.

It is not an unprimeable number, because it can be changed into a prime (201203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573 + ... + 854.

It is an arithmetic number, because the mean of its divisors is an integer number (34272).

2201207 is an apocalyptic number.

201207 is a deficient number, since it is larger than the sum of its proper divisors (72969).

201207 is a wasteful number, since it uses less digits than its factorization.

201207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477.

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

The square root of 201207 is about 448.5610326366. The cubic root of 201207 is about 58.5977618764.

Adding to 201207 its reverse (702102), we get a palindrome (903309).

The spelling of 201207 in words is "two hundred one thousand, two hundred seven", and thus it is an iban number.

Divisors: 1 3 47 141 1427 4281 67069 201207