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207201 = 369067
BaseRepresentation
bin110010100101100001
3101112020010
4302211201
523112301
64235133
71522041
oct624541
9345203
10207201
11131745
129baa9
1373407
1455721
15415d6
hex32961

207201 has 4 divisors (see below), whose sum is σ = 276272. Its totient is φ = 138132.

The previous prime is 207199. The next prime is 207227. The reversal of 207201 is 102702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 207201 - 21 = 207199 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34531 + ... + 34536.

It is an arithmetic number, because the mean of its divisors is an integer number (69068).

2207201 is an apocalyptic number.

It is an amenable number.

207201 is a deficient number, since it is larger than the sum of its proper divisors (69071).

207201 is an equidigital number, since it uses as much as digits as its factorization.

207201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69070.

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

The square root of 207201 is about 455.1933655053. The cubic root of 207201 is about 59.1739575313.

Adding to 207201 its reverse (102702), we get a palindrome (309903).

The spelling of 207201 in words is "two hundred seven thousand, two hundred one", and thus it is an iban number.

Divisors: 1 3 69067 207201