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200648401 is a prime number
BaseRepresentation
bin10111111010110…
…10011011010001
3111222112222212021
423331122123101
5402331222101
631524331441
74654324522
oct1375323321
9458488767
10200648401
11a3296128
1257243b81
1332753485
141c910849
15129365a1
hexbf5a6d1

200648401 has 2 divisors, whose sum is σ = 200648402. Its totient is φ = 200648400.

The previous prime is 200648369. The next prime is 200648471. The reversal of 200648401 is 104846002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130507776 + 70140625 = 11424^2 + 8375^2 .

It is a cyclic number.

It is not a de Polignac number, because 200648401 - 25 = 200648369 is a prime.

It is not a weakly prime, because it can be changed into another prime (200648471) 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 as a sum of consecutive naturals, namely, 100324200 + 100324201.

It is an arithmetic number, because the mean of its divisors is an integer number (100324201).

Almost surely, 2200648401 is an apocalyptic number.

It is an amenable number.

200648401 is a deficient number, since it is larger than the sum of its proper divisors (1).

200648401 is an equidigital number, since it uses as much as digits as its factorization.

200648401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 200648401 is about 14165.0415107051. The cubic root of 200648401 is about 585.4348445858.

The spelling of 200648401 in words is "two hundred million, six hundred forty-eight thousand, four hundred one".