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200408249 is a prime number
BaseRepresentation
bin10111111000111…
…11110010111001
3111222002210102202
423330133302321
5402301030444
631515235545
74652304416
oct1374376271
9458083382
10200408249
11a3141758
1257148bb5
133269b082
141c88b10d
15128da34e
hexbf1fcb9

200408249 has 2 divisors, whose sum is σ = 200408250. Its totient is φ = 200408248.

The previous prime is 200408239. The next prime is 200408261. The reversal of 200408249 is 942804002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198612649 + 1795600 = 14093^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 200408249 - 220 = 199359673 is a prime.

It is not a weakly prime, because it can be changed into another prime (200408239) 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 as a sum of consecutive naturals, namely, 100204124 + 100204125.

It is an arithmetic number, because the mean of its divisors is an integer number (100204125).

Almost surely, 2200408249 is an apocalyptic number.

It is an amenable number.

200408249 is a deficient number, since it is larger than the sum of its proper divisors (1).

200408249 is an equidigital number, since it uses as much as digits as its factorization.

200408249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 200408249 is about 14156.5620473334. The cubic root of 200408249 is about 585.2011863117.

The spelling of 200408249 in words is "two hundred million, four hundred eight thousand, two hundred forty-nine".