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29186117 is a prime number
BaseRepresentation
bin110111101010…
…1100001000101
32000220210211022
41233111201011
524432423432
62521320525
7503035502
oct157254105
960823738
1029186117
1115524a64
129936145
13607b6bc
143c3a4a9
152867b12
hex1bd5845

29186117 has 2 divisors, whose sum is σ = 29186118. Its totient is φ = 29186116.

The previous prime is 29186083. The next prime is 29186119. The reversal of 29186117 is 71168192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22221796 + 6964321 = 4714^2 + 2639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29186117 is a prime.

It is a super-3 number, since 3×291861173 (a number of 23 digits) contains 333 as substring.

Together with 29186119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29186119) 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, 14593058 + 14593059.

It is an arithmetic number, because the mean of its divisors is an integer number (14593059).

Almost surely, 229186117 is an apocalyptic number.

It is an amenable number.

29186117 is a deficient number, since it is larger than the sum of its proper divisors (1).

29186117 is an equidigital number, since it uses as much as digits as its factorization.

29186117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 35.

The square root of 29186117 is about 5402.4176995120. The cubic root of 29186117 is about 307.8875348369.

The spelling of 29186117 in words is "twenty-nine million, one hundred eighty-six thousand, one hundred seventeen".