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29940149 is a prime number
BaseRepresentation
bin111001000110…
…1100110110101
32002100010011102
41302031212311
530131041044
62545415445
7512326031
oct162154665
962303142
1029940149
111599a528
12a03a585
136283985
143d951c1
15296624e
hex1c8d9b5

29940149 has 2 divisors, whose sum is σ = 29940150. Its totient is φ = 29940148.

The previous prime is 29940133. The next prime is 29940161. The reversal of 29940149 is 94104992.

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., 21325924 + 8614225 = 4618^2 + 2935^2 .

It is a cyclic number.

It is not a de Polignac number, because 29940149 - 24 = 29940133 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29940049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14970074 + 14970075.

It is an arithmetic number, because the mean of its divisors is an integer number (14970075).

Almost surely, 229940149 is an apocalyptic number.

It is an amenable number.

29940149 is a deficient number, since it is larger than the sum of its proper divisors (1).

29940149 is an equidigital number, since it uses as much as digits as its factorization.

29940149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 29940149 is about 5471.7592235039. The cubic root of 29940149 is about 310.5164786146.

The spelling of 29940149 in words is "twenty-nine million, nine hundred forty thousand, one hundred forty-nine".