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69216701 is a prime number
BaseRepresentation
bin1000010000000…
…10100110111101
311211020120110112
410020002212331
5120204413301
610511315405
71500221651
oct410024675
9154216415
1069216701
1136086594
121b21bb65
1311456138
14929aa61
1561239bb
hex42029bd

69216701 has 2 divisors, whose sum is σ = 69216702. Its totient is φ = 69216700.

The previous prime is 69216671. The next prime is 69216703. The reversal of 69216701 is 10761296.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64802500 + 4414201 = 8050^2 + 2101^2 .

It is a cyclic number.

It is not a de Polignac number, because 69216701 - 226 = 2107837 is a prime.

Together with 69216703, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69216703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34608350 + 34608351.

It is an arithmetic number, because the mean of its divisors is an integer number (34608351).

Almost surely, 269216701 is an apocalyptic number.

It is an amenable number.

69216701 is a deficient number, since it is larger than the sum of its proper divisors (1).

69216701 is an equidigital number, since it uses as much as digits as its factorization.

69216701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 69216701 is about 8319.6575049698. The cubic root of 69216701 is about 410.5855227244.

Adding to 69216701 its reverse (10761296), we get a palindrome (79977997).

The spelling of 69216701 in words is "sixty-nine million, two hundred sixteen thousand, seven hundred one".