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2231200249 is a prime number
BaseRepresentation
bin1000010011111101…
…0110100111111001
312202111101201100021
42010333112213321
514032141401444
61005222210441
7106201613665
oct20477264771
95674351307
102231200249
11a454aa853
12523283a21
13297336a45
1417247d8a5
15d0d31584
hex84fd69f9

2231200249 has 2 divisors, whose sum is σ = 2231200250. Its totient is φ = 2231200248.

The previous prime is 2231200217. The next prime is 2231200277. The reversal of 2231200249 is 9420021322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1357406649 + 873793600 = 36843^2 + 29560^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231200249 - 25 = 2231200217 is a prime.

It is a super-3 number, since 3×22312002493 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2231200849) 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, 1115600124 + 1115600125.

It is an arithmetic number, because the mean of its divisors is an integer number (1115600125).

Almost surely, 22231200249 is an apocalyptic number.

It is an amenable number.

2231200249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231200249 is an equidigital number, since it uses as much as digits as its factorization.

2231200249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2231200249 is about 47235.5824458638. The cubic root of 2231200249 is about 1306.7109083298.

The spelling of 2231200249 in words is "two billion, two hundred thirty-one million, two hundred thousand, two hundred forty-nine".