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29219669 is a prime number
BaseRepresentation
bin110111101110…
…1101101010101
32000222111211222
41233131231111
524440012134
62522140125
7503235353
oct157355525
960874758
1029219669
1115548196
129951645
136090a5b
143c487d3
152872a2e
hex1bddb55

29219669 has 2 divisors, whose sum is σ = 29219670. Its totient is φ = 29219668.

The previous prime is 29219657. The next prime is 29219689. The reversal of 29219669 is 96691292.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20884900 + 8334769 = 4570^2 + 2887^2 .

It is a cyclic number.

It is not a de Polignac number, because 29219669 - 212 = 29215573 is a prime.

It is a super-2 number, since 2×292196692 = 1707578112939122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29219609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14609834 + 14609835.

It is an arithmetic number, because the mean of its divisors is an integer number (14609835).

Almost surely, 229219669 is an apocalyptic number.

It is an amenable number.

29219669 is a deficient number, since it is larger than the sum of its proper divisors (1).

29219669 is an equidigital number, since it uses as much as digits as its factorization.

29219669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 44.

The square root of 29219669 is about 5405.5220839434. The cubic root of 29219669 is about 308.0054708929.

The spelling of 29219669 in words is "twenty-nine million, two hundred nineteen thousand, six hundred sixty-nine".