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29685133 is a prime number
BaseRepresentation
bin111000100111…
…1010110001101
32001212011100101
41301033112031
530044411013
62540131101
7510214402
oct161172615
961764311
1029685133
1115835975
129b36a91
1361c488a
143d2a2a9
1529158dd
hex1c4f58d

29685133 has 2 divisors, whose sum is σ = 29685134. Its totient is φ = 29685132.

The previous prime is 29685127. The next prime is 29685209. The reversal of 29685133 is 33158692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17280649 + 12404484 = 4157^2 + 3522^2 .

It is a cyclic number.

It is not a de Polignac number, because 29685133 - 29 = 29684621 is a prime.

It is equal to p1839466 and since 29685133 and 1839466 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 29685092 and 29685101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29685113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14842566 + 14842567.

It is an arithmetic number, because the mean of its divisors is an integer number (14842567).

Almost surely, 229685133 is an apocalyptic number.

It is an amenable number.

29685133 is a deficient number, since it is larger than the sum of its proper divisors (1).

29685133 is an equidigital number, since it uses as much as digits as its factorization.

29685133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 29685133 is about 5448.4064642793. The cubic root of 29685133 is about 309.6323529200.

The spelling of 29685133 in words is "twenty-nine million, six hundred eighty-five thousand, one hundred thirty-three".