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200664319 = 613289579
BaseRepresentation
bin10111111010111…
…10010011111111
3111222120210200211
423331132103333
5402332224234
631524533251
74654422112
oct1375362377
9458523624
10200664319
11a32a7089
1257251227
133275a7ab
141c916579
151293b164
hexbf5e4ff

200664319 has 4 divisors (see below), whose sum is σ = 203953960. Its totient is φ = 197374680.

The previous prime is 200664293. The next prime is 200664341. The reversal of 200664319 is 913466002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200664319 - 223 = 192275711 is a prime.

It is a super-2 number, since 2×2006643192 = 80532337839467522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200664349) 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, 1644729 + ... + 1644850.

It is an arithmetic number, because the mean of its divisors is an integer number (50988490).

Almost surely, 2200664319 is an apocalyptic number.

200664319 is a deficient number, since it is larger than the sum of its proper divisors (3289641).

200664319 is an equidigital number, since it uses as much as digits as its factorization.

200664319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289640.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 200664319 is about 14165.6033757832. The cubic root of 200664319 is about 585.4503255721.

The spelling of 200664319 in words is "two hundred million, six hundred sixty-four thousand, three hundred nineteen".

Divisors: 1 61 3289579 200664319