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29285797 is a prime number
BaseRepresentation
bin110111110110…
…1110110100101
32001002212120011
41233231312211
524444121142
62523410221
7503632222
oct157556645
961085504
1029285797
1115592942
129983971
1360b4b98
143c64949
152887417
hex1bedda5

29285797 has 2 divisors, whose sum is σ = 29285798. Its totient is φ = 29285796.

The previous prime is 29285779. The next prime is 29285807. The reversal of 29285797 is 79758292.

Together with previous prime (29285779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24295041 + 4990756 = 4929^2 + 2234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29285797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29285797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29285777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14642898 + 14642899.

It is an arithmetic number, because the mean of its divisors is an integer number (14642899).

Almost surely, 229285797 is an apocalyptic number.

It is an amenable number.

29285797 is a deficient number, since it is larger than the sum of its proper divisors (1).

29285797 is an equidigital number, since it uses as much as digits as its factorization.

29285797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 49.

The square root of 29285797 is about 5411.6353350905. The cubic root of 29285797 is about 308.2376482898.

The spelling of 29285797 in words is "twenty-nine million, two hundred eighty-five thousand, seven hundred ninety-seven".