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300001997 is a prime number
BaseRepresentation
bin10001111000011…
…010101011001101
3202220111200101002
4101320122223031
51103300030442
645434030045
710301655251
oct2170325315
9686450332
10300001997
11144385a39
1284578325
134a1cb999
142bbb4261
151b50e732
hex11e1aacd

300001997 has 2 divisors, whose sum is σ = 300001998. Its totient is φ = 300001996.

The previous prime is 300001993. The next prime is 300002029. The reversal of 300001997 is 799100003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277855561 + 22146436 = 16669^2 + 4706^2 .

It is a cyclic number.

It is not a de Polignac number, because 300001997 - 22 = 300001993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300001993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150000998 + 150000999.

It is an arithmetic number, because the mean of its divisors is an integer number (150000999).

Almost surely, 2300001997 is an apocalyptic number.

It is an amenable number.

300001997 is a deficient number, since it is larger than the sum of its proper divisors (1).

300001997 is an equidigital number, since it uses as much as digits as its factorization.

300001997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 300001997 is about 17320.5657240172. The cubic root of 300001997 is about 669.4344354762.

The spelling of 300001997 in words is "three hundred million, one thousand, nine hundred ninety-seven".