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200497 = 1121657
BaseRepresentation
bin110000111100110001
3101012000211
4300330301
522403442
64144121
71463353
oct607461
9335024
10200497
11127700
1298041
137034b
14530d3
153e617
hex30f31

200497 has 6 divisors (see below), whose sum is σ = 220514. Its totient is φ = 182160.

The previous prime is 200483. The next prime is 200513. The reversal of 200497 is 794002.

200497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 156816 + 43681 = 396^2 + 209^2 .

It is not a de Polignac number, because 200497 - 215 = 167729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 708 + ... + 949.

2200497 is an apocalyptic number.

It is an amenable number.

200497 is a deficient number, since it is larger than the sum of its proper divisors (20017).

200497 is a wasteful number, since it uses less digits than its factorization.

200497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 200497 is about 447.7689136150. The cubic root of 200497 is about 58.5287559213.

Adding to 200497 its reverse (794002), we get a palindrome (994499).

Subtracting 200497 from its reverse (794002), we obtain a triangular number (593505 = T1089).

The spelling of 200497 in words is "two hundred thousand, four hundred ninety-seven".

Divisors: 1 11 121 1657 18227 200497