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200531513 = 7132337503
BaseRepresentation
bin10111111001111…
…01111000111001
3111222100001112002
423330331320321
5402314002023
631522030345
74653326660
oct1374757071
9458301462
10200531513
11a3216326
12571a83b5
1332712200
141c8bddd7
1512911b28
hexbf3de39

200531513 has 24 divisors (see below), whose sum is σ = 249395328. Its totient is φ = 157876992.

The previous prime is 200531509. The next prime is 200531531. The reversal of 200531513 is 315135002.

It is not a de Polignac number, because 200531513 - 22 = 200531509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200531593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 398420 + ... + 398922.

It is an arithmetic number, because the mean of its divisors is an integer number (10391472).

Almost surely, 2200531513 is an apocalyptic number.

It is an amenable number.

200531513 is a deficient number, since it is larger than the sum of its proper divisors (48863815).

200531513 is a wasteful number, since it uses less digits than its factorization.

200531513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 200531513 is about 14160.9149775006. The cubic root of 200531513 is about 585.3211405474.

Adding to 200531513 its reverse (315135002), we get a palindrome (515666515).

The spelling of 200531513 in words is "two hundred million, five hundred thirty-one thousand, five hundred thirteen".

Divisors: 1 7 13 91 169 337 503 1183 2359 3521 4381 6539 30667 45773 56953 85007 169511 398671 595049 1186577 2203643 15425501 28647359 200531513