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29830369 is a prime number
BaseRepresentation
bin111000111001…
…0110011100001
32002010112120111
41301302303201
530114032434
62543211321
7511361002
oct161626341
962115514
1029830369
1115924aa8
129ba6b41
136245a0a
143d671a9
152943964
hex1c72ce1

29830369 has 2 divisors, whose sum is σ = 29830370. Its totient is φ = 29830368.

The previous prime is 29830337. The next prime is 29830417. The reversal of 29830369 is 96303892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29811600 + 18769 = 5460^2 + 137^2 .

It is a cyclic number.

It is not a de Polignac number, because 29830369 - 25 = 29830337 is a prime.

It is a super-2 number, since 2×298303692 = 1779701829352322, which contains 22 as substring.

It is a Chen prime.

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

It is not a weakly prime, because it can be changed into another prime (29830309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14915184 + 14915185.

It is an arithmetic number, because the mean of its divisors is an integer number (14915185).

Almost surely, 229830369 is an apocalyptic number.

It is an amenable number.

29830369 is a deficient number, since it is larger than the sum of its proper divisors (1).

29830369 is an equidigital number, since it uses as much as digits as its factorization.

29830369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 29830369 is about 5461.7185024496. The cubic root of 29830369 is about 310.1364955622.

The spelling of 29830369 in words is "twenty-nine million, eight hundred thirty thousand, three hundred sixty-nine".