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207001 = 317653
BaseRepresentation
bin110010100010011001
3101111221201
4302202121
523111001
64234201
71521334
oct624231
9344851
10207001
11131583
129b961
13732b2
145561b
1541501
hex32899

207001 has 4 divisors (see below), whose sum is σ = 207972. Its totient is φ = 206032.

The previous prime is 206993. The next prime is 207013. The reversal of 207001 is 100702.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 27225 + 179776 = 165^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 207001 - 23 = 206993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207041) 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, 10 + ... + 643.

It is an arithmetic number, because the mean of its divisors is an integer number (51993).

2207001 is an apocalyptic number.

It is an amenable number.

207001 is a deficient number, since it is larger than the sum of its proper divisors (971).

207001 is an equidigital number, since it uses as much as digits as its factorization.

207001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970.

The product of its (nonzero) digits is 14, while the sum is 10.

The square root of 207001 is about 454.9736256092. The cubic root of 207001 is about 59.1549122542.

Adding to 207001 its reverse (100702), we get a palindrome (307703).

It can be divided in two parts, 20 and 7001, that added together give a triangular number (7021 = T118).

The spelling of 207001 in words is "two hundred seven thousand, one", and thus it is an iban number.

Divisors: 1 317 653 207001