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29886893 is a prime number
BaseRepresentation
bin111001000000…
…0100110101101
32002020102002222
41302000212231
530122340033
62544325125
7512014541
oct162004655
962212088
1029886893
1115963513
12a0137a5
13626566a
143d7da21
152955598
hex1c809ad

29886893 has 2 divisors, whose sum is σ = 29886894. Its totient is φ = 29886892.

The previous prime is 29886881. The next prime is 29886917. The reversal of 29886893 is 39868892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27071209 + 2815684 = 5203^2 + 1678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29886893 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 (29886853) 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, 14943446 + 14943447.

It is an arithmetic number, because the mean of its divisors is an integer number (14943447).

Almost surely, 229886893 is an apocalyptic number.

It is an amenable number.

29886893 is a deficient number, since it is larger than the sum of its proper divisors (1).

29886893 is an equidigital number, since it uses as much as digits as its factorization.

29886893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 53.

The square root of 29886893 is about 5466.8906153315. The cubic root of 29886893 is about 310.3322590876.

The spelling of 29886893 in words is "twenty-nine million, eight hundred eighty-six thousand, eight hundred ninety-three".