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29808953 is a prime number
BaseRepresentation
bin111000110110…
…1100100111001
32002002110012022
41301231210321
530112341303
62542524225
7511241366
oct161554471
962073168
1029808953
111590a9a9
129b96675
136239045
143d5d46d
15293c438
hex1c6d939

29808953 has 2 divisors, whose sum is σ = 29808954. Its totient is φ = 29808952.

The previous prime is 29808937. The next prime is 29808971. The reversal of 29808953 is 35980892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16581184 + 13227769 = 4072^2 + 3637^2 .

It is a cyclic number.

It is not a de Polignac number, because 29808953 - 24 = 29808937 is a prime.

It is not a weakly prime, because it can be changed into another prime (29808913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14904476 + 14904477.

It is an arithmetic number, because the mean of its divisors is an integer number (14904477).

Almost surely, 229808953 is an apocalyptic number.

It is an amenable number.

29808953 is a deficient number, since it is larger than the sum of its proper divisors (1).

29808953 is an equidigital number, since it uses as much as digits as its factorization.

29808953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 29808953 is about 5459.7575953516. The cubic root of 29808953 is about 310.0622594341.

The spelling of 29808953 in words is "twenty-nine million, eight hundred eight thousand, nine hundred fifty-three".