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200134471 = 1297315427
BaseRepresentation
bin10111110110111…
…00111101000111
3111221120212212211
423323130331013
5402213300341
631505324251
74650054265
oct1373347507
9457525784
10200134471
11a2a74a99
1257036687
1332603584
141c819435
1512884181
hexbedcf47

200134471 has 4 divisors (see below), whose sum is σ = 200162872. Its totient is φ = 200106072.

The previous prime is 200134469. The next prime is 200134483. The reversal of 200134471 is 174431002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 200134471 - 21 = 200134469 is a prime.

It is a super-3 number, since 3×2001344713 (a number of 26 digits) contains 333 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 (200134411) 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 3 ways as a sum of consecutive naturals, for example, 5260 + ... + 20686.

It is an arithmetic number, because the mean of its divisors is an integer number (50040718).

Almost surely, 2200134471 is an apocalyptic number.

200134471 is a deficient number, since it is larger than the sum of its proper divisors (28401).

200134471 is a wasteful number, since it uses less digits than its factorization.

200134471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28400.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 200134471 is about 14146.8890926592. The cubic root of 200134471 is about 584.9345834759.

Adding to 200134471 its reverse (174431002), we get a palindrome (374565473).

The spelling of 200134471 in words is "two hundred million, one hundred thirty-four thousand, four hundred seventy-one".

Divisors: 1 12973 15427 200134471