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200485897 = 316467287
BaseRepresentation
bin10111111001100…
…10110000001001
3111222020201221121
423330302300021
5402311022042
631521035241
74653046663
oct1374626011
9458221847
10200485897
11a3195027
1257185b21
13326c7511
141c8ab533
1512903367
hexbf32c09

200485897 has 4 divisors (see below), whose sum is σ = 206953216. Its totient is φ = 194018580.

The previous prime is 200485877. The next prime is 200485921. The reversal of 200485897 is 798584002.

200485897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 200485897 - 211 = 200483849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200485847) 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, 3233613 + ... + 3233674.

It is an arithmetic number, because the mean of its divisors is an integer number (51738304).

Almost surely, 2200485897 is an apocalyptic number.

It is an amenable number.

200485897 is a deficient number, since it is larger than the sum of its proper divisors (6467319).

200485897 is an equidigital number, since it uses as much as digits as its factorization.

200485897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467318.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 200485897 is about 14159.3042555063. The cubic root of 200485897 is about 585.2767551147.

The spelling of 200485897 in words is "two hundred million, four hundred eighty-five thousand, eight hundred ninety-seven".

Divisors: 1 31 6467287 200485897