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69650069 is a prime number
BaseRepresentation
bin1000010011011…
…00011010010101
311212001120221012
410021230122111
5120312300234
610524502005
71504005266
oct411543225
9155046835
1069650069
1136352145
121b3aa905
1311578478
14937096d
1561ac0ce
hex426c695

69650069 has 2 divisors, whose sum is σ = 69650070. Its totient is φ = 69650068.

The previous prime is 69650047. The next prime is 69650101. The reversal of 69650069 is 96005696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55323844 + 14326225 = 7438^2 + 3785^2 .

It is a cyclic number.

It is not a de Polignac number, because 69650069 - 212 = 69645973 is a prime.

It is a super-2 number, since 2×696500692 = 9702264223409522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69650039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34825034 + 34825035.

It is an arithmetic number, because the mean of its divisors is an integer number (34825035).

Almost surely, 269650069 is an apocalyptic number.

It is an amenable number.

69650069 is a deficient number, since it is larger than the sum of its proper divisors (1).

69650069 is an equidigital number, since it uses as much as digits as its factorization.

69650069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 69650069 is about 8345.6616873679. The cubic root of 69650069 is about 411.4406369723.

The spelling of 69650069 in words is "sixty-nine million, six hundred fifty thousand, sixty-nine".