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29943029 is a prime number
BaseRepresentation
bin111001000111…
…0010011110101
32002100021010002
41302032103311
530131134104
62545441045
7512340314
oct162162365
962307102
1029943029
11159a1706
12a040185
13628508c
143d9627b
15296701e
hex1c8e4f5

29943029 has 2 divisors, whose sum is σ = 29943030. Its totient is φ = 29943028.

The previous prime is 29943019. The next prime is 29943041. The reversal of 29943029 is 92034992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27144100 + 2798929 = 5210^2 + 1673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29943029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29942983 and 29943001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29943019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14971514 + 14971515.

It is an arithmetic number, because the mean of its divisors is an integer number (14971515).

Almost surely, 229943029 is an apocalyptic number.

It is an amenable number.

29943029 is a deficient number, since it is larger than the sum of its proper divisors (1).

29943029 is an equidigital number, since it uses as much as digits as its factorization.

29943029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 29943029 is about 5472.0223866501. The cubic root of 29943029 is about 310.5264346860.

The spelling of 29943029 in words is "twenty-nine million, nine hundred forty-three thousand, twenty-nine".