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200244421 = 1343358219
BaseRepresentation
bin10111110111101…
…11110011000101
3111221210110201001
423323313303011
5402230310141
631511533301
74651022656
oct1373676305
9457713631
10200244421
11a303a663
125708a231
1332641630
141c84752d
15128a6a31
hexbef7cc5

200244421 has 8 divisors (see below), whose sum is σ = 220663520. Its totient is φ = 180541872.

The previous prime is 200244403. The next prime is 200244427. The reversal of 200244421 is 124442002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200244421 - 29 = 200243909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200244427) 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 7 ways as a sum of consecutive naturals, for example, 178551 + ... + 179668.

It is an arithmetic number, because the mean of its divisors is an integer number (27582940).

Almost surely, 2200244421 is an apocalyptic number.

It is an amenable number.

200244421 is a deficient number, since it is larger than the sum of its proper divisors (20419099).

200244421 is a wasteful number, since it uses less digits than its factorization.

200244421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358275.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 200244421 is about 14150.7745724395. The cubic root of 200244421 is about 585.0416811074.

Adding to 200244421 its reverse (124442002), we get a palindrome (324686423).

The spelling of 200244421 in words is "two hundred million, two hundred forty-four thousand, four hundred twenty-one".

Divisors: 1 13 43 559 358219 4656847 15403417 200244421