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200397513 = 3172376247
BaseRepresentation
bin10111111000111…
…01001011001001
3111222002020201010
423330131023021
5402300210023
631515114133
74652231211
oct1374351311
9458066633
10200397513
11a3134688
1257142949
1332696214
141c887241
15128d7093
hexbf1d2c9

200397513 has 24 divisors (see below), whose sum is σ = 291556672. Its totient is φ = 122321664.

The previous prime is 200397499. The next prime is 200397529. The reversal of 200397513 is 315793002.

It is not a de Polignac number, because 200397513 - 28 = 200397257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200397553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28956 + ... + 35202.

Almost surely, 2200397513 is an apocalyptic number.

It is an amenable number.

200397513 is a deficient number, since it is larger than the sum of its proper divisors (91159159).

200397513 is a wasteful number, since it uses less digits than its factorization.

200397513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6321 (or 6304 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 200397513 is about 14156.1828541454. The cubic root of 200397513 is about 585.1907362560.

The spelling of 200397513 in words is "two hundred million, three hundred ninety-seven thousand, five hundred thirteen".

Divisors: 1 3 17 37 51 111 289 629 867 1887 6247 10693 18741 32079 106199 231139 318597 693417 1805383 3929363 5416149 11788089 66799171 200397513