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6900001 is a prime number
BaseRepresentation
bin11010010100100100100001
3110222120000121
4122110210201
53231300001
6403520241
7112435423
oct32244441
913876017
106900001
113993089
122389081
131577854
14cb8813
159146a1
hex694921

6900001 has 2 divisors, whose sum is σ = 6900002. Its totient is φ = 6900000.

The previous prime is 6899989. The next prime is 6900053. The reversal of 6900001 is 1000096.

6900001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4494400 + 2405601 = 2120^2 + 1551^2 .

It is a cyclic number.

It is not a de Polignac number, because 6900001 - 25 = 6899969 is a prime.

It is a super-2 number, since 2×69000012 = 95220027600002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6900301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3450000 + 3450001.

It is an arithmetic number, because the mean of its divisors is an integer number (3450001).

Almost surely, 26900001 is an apocalyptic number.

It is an amenable number.

6900001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6900001 is an equidigital number, since it uses as much as digits as its factorization.

6900001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 6900001 is about 2626.7852976595. The cubic root of 6900001 is about 190.3778353933.

Adding to 6900001 its reverse (1000096), we get a palindrome (7900097).

The spelling of 6900001 in words is "six million, nine hundred thousand, one".