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29894057 is a prime number
BaseRepresentation
bin111001000001…
…0010110101001
32002020202221022
41302002112221
530123102212
62544422225
7512044454
oct162022651
962222838
1029894057
1115968936
12a017975
1362689bb
143d8249b
152957772
hex1c825a9

29894057 has 2 divisors, whose sum is σ = 29894058. Its totient is φ = 29894056.

The previous prime is 29894047. The next prime is 29894077. The reversal of 29894057 is 75049892.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29333056 + 561001 = 5416^2 + 749^2 .

It is a cyclic number.

It is not a de Polignac number, because 29894057 - 224 = 13116841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29893999 and 29894017.

It is not a weakly prime, because it can be changed into another prime (29894017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14947028 + 14947029.

It is an arithmetic number, because the mean of its divisors is an integer number (14947029).

Almost surely, 229894057 is an apocalyptic number.

It is an amenable number.

29894057 is a deficient number, since it is larger than the sum of its proper divisors (1).

29894057 is an equidigital number, since it uses as much as digits as its factorization.

29894057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 29894057 is about 5467.5457931324. The cubic root of 29894057 is about 310.3570530409.

The spelling of 29894057 in words is "twenty-nine million, eight hundred ninety-four thousand, fifty-seven".