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29068621 is a prime number
BaseRepresentation
bin110111011100…
…0110101001101
32000200211122121
41232320311031
524420143441
62515012541
7502036111
oct156706515
960624577
1029068621
111545475a
12989a151
13603a08a
143c09741
152842dd1
hex1bb8d4d

29068621 has 2 divisors, whose sum is σ = 29068622. Its totient is φ = 29068620.

The previous prime is 29068597. The next prime is 29068639. The reversal of 29068621 is 12686092.

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., 21031396 + 8037225 = 4586^2 + 2835^2 .

It is a cyclic number.

It is not a de Polignac number, because 29068621 - 211 = 29066573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29068321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14534310 + 14534311.

It is an arithmetic number, because the mean of its divisors is an integer number (14534311).

Almost surely, 229068621 is an apocalyptic number.

It is an amenable number.

29068621 is a deficient number, since it is larger than the sum of its proper divisors (1).

29068621 is an equidigital number, since it uses as much as digits as its factorization.

29068621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 29068621 is about 5391.5323424793. The cubic root of 29068621 is about 307.4738197906.

The spelling of 29068621 in words is "twenty-nine million, sixty-eight thousand, six hundred twenty-one".