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29581061 is a prime number
BaseRepresentation
bin111000011010…
…1111100000101
32001122212120212
41300311330011
530033043221
62534005205
7506302106
oct160657405
961585525
1029581061
1115774764
129aa6805
1361893b3
143d003ad
1528e4b5b
hex1c35f05

29581061 has 2 divisors, whose sum is σ = 29581062. Its totient is φ = 29581060.

The previous prime is 29581039. The next prime is 29581067. The reversal of 29581061 is 16018592.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28569025 + 1012036 = 5345^2 + 1006^2 .

It is a cyclic number.

It is not a de Polignac number, because 29581061 - 210 = 29580037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29581067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14790530 + 14790531.

It is an arithmetic number, because the mean of its divisors is an integer number (14790531).

Almost surely, 229581061 is an apocalyptic number.

It is an amenable number.

29581061 is a deficient number, since it is larger than the sum of its proper divisors (1).

29581061 is an equidigital number, since it uses as much as digits as its factorization.

29581061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 29581061 is about 5438.8473962780. The cubic root of 29581061 is about 309.2700864002.

The spelling of 29581061 in words is "twenty-nine million, five hundred eighty-one thousand, sixty-one".