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6800069 is a prime number
BaseRepresentation
bin11001111100001011000101
3110210110221102
4121330023011
53220100234
6401425445
7111541163
oct31741305
913713842
106800069
113924aa1
12233b285
131541213
14c90233
158e4c7e
hex67c2c5

6800069 has 2 divisors, whose sum is σ = 6800070. Its totient is φ = 6800068.

The previous prime is 6800047. The next prime is 6800071. The reversal of 6800069 is 9600086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5579044 + 1221025 = 2362^2 + 1105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6800069 is a prime.

It is a super-2 number, since 2×68000692 = 92481876809522, which contains 22 as substring.

Together with 6800071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6800089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3400034 + 3400035.

It is an arithmetic number, because the mean of its divisors is an integer number (3400035).

Almost surely, 26800069 is an apocalyptic number.

It is an amenable number.

6800069 is a deficient number, since it is larger than the sum of its proper divisors (1).

6800069 is an equidigital number, since it uses as much as digits as its factorization.

6800069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 6800069 is about 2607.6941921936. The cubic root of 6800069 is about 189.4542882341.

The spelling of 6800069 in words is "six million, eight hundred thousand, sixty-nine".