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200220243 = 3131950599
BaseRepresentation
bin10111110111100…
…01111001010011
3111221202020112120
423323301321103
5402224021433
631511225323
74650562326
oct1373617123
9457666476
10200220243
11a3023483
1257078243
1332633622
141c83c7bd
151289e7b3
hexbef1e53

200220243 has 8 divisors (see below), whose sum is σ = 267168000. Its totient is φ = 133376328.

The previous prime is 200220191. The next prime is 200220277. The reversal of 200220243 is 342022002.

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

It is not a de Polignac number, because 200220243 - 212 = 200216147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200221243) 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, 21343 + ... + 29256.

It is an arithmetic number, because the mean of its divisors is an integer number (33396000).

Almost surely, 2200220243 is an apocalyptic number.

200220243 is a deficient number, since it is larger than the sum of its proper divisors (66947757).

200220243 is a wasteful number, since it uses less digits than its factorization.

200220243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51921.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 200220243 is about 14149.9202471251. The cubic root of 200220243 is about 585.0181337063.

Adding to 200220243 its reverse (342022002), we get a palindrome (542242245).

The spelling of 200220243 in words is "two hundred million, two hundred twenty thousand, two hundred forty-three".

Divisors: 1 3 1319 3957 50599 151797 66740081 200220243