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200300021 = 3123472753
BaseRepresentation
bin10111111000001…
…01010111110101
3111221220021222022
423330011113311
5402234100041
631513042525
74651344035
oct1374052765
9457807868
10200300021
11a3078409
12570b6445
1332660a2c
141c85d8c5
15128b824b
hexbf055f5

200300021 has 8 divisors (see below), whose sum is σ = 206924544. Its totient is φ = 193685760.

The previous prime is 200300003. The next prime is 200300029. The reversal of 200300021 is 120003002.

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 200300021 - 210 = 200298997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200299981 and 200300008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200300029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71381 + ... + 74133.

It is an arithmetic number, because the mean of its divisors is an integer number (25865568).

Almost surely, 2200300021 is an apocalyptic number.

It is an amenable number.

200300021 is a deficient number, since it is larger than the sum of its proper divisors (6624523).

200300021 is a wasteful number, since it uses less digits than its factorization.

200300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 200300021 is about 14152.7389928593. The cubic root of 200300021 is about 585.0958237849.

Adding to 200300021 its reverse (120003002), we get a palindrome (320303023).

The spelling of 200300021 in words is "two hundred million, three hundred thousand, twenty-one".

Divisors: 1 31 2347 2753 72757 85343 6461291 200300021