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200241021 = 3153143597
BaseRepresentation
bin10111110111101…
…10111101111101
3111221210022001010
423323312331331
5402230203041
631511505433
74651010031
oct1373667575
9457708033
10200241021
11a3038052
1257088279
133263cc16
141c8461c1
15128a5a16
hexbef6f7d

200241021 has 8 divisors (see below), whose sum is σ = 267168544. Its totient is φ = 133403760.

The previous prime is 200241017. The next prime is 200241047. The reversal of 200241021 is 120142002.

200241021 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 200241021 - 22 = 200241017 is a prime.

It is a super-2 number, since 2×2002410212 = 80192932982244882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200240988 and 200241006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200241001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17206 + ... + 26391.

It is an arithmetic number, because the mean of its divisors is an integer number (33396068).

Almost surely, 2200241021 is an apocalyptic number.

It is an amenable number.

200241021 is a deficient number, since it is larger than the sum of its proper divisors (66927523).

200241021 is a wasteful number, since it uses less digits than its factorization.

200241021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45131.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 200241021 is about 14150.6544371630. The cubic root of 200241021 is about 585.0383698991.

Adding to 200241021 its reverse (120142002), we get a palindrome (320383023).

The spelling of 200241021 in words is "two hundred million, two hundred forty-one thousand, twenty-one".

Divisors: 1 3 1531 4593 43597 130791 66747007 200241021