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29489477 is a prime number
BaseRepresentation
bin111000001111…
…1100101000101
32001111012221212
41300133211011
530022130402
62532021205
7505441103
oct160374505
961435855
1029489477
1115711976
129a61805
1361567c4
143cb8c73
1528c7952
hex1c1f945

29489477 has 2 divisors, whose sum is σ = 29489478. Its totient is φ = 29489476.

The previous prime is 29489459. The next prime is 29489479. The reversal of 29489477 is 77498492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26770276 + 2719201 = 5174^2 + 1649^2 .

It is a cyclic number.

It is not a de Polignac number, because 29489477 - 28 = 29489221 is a prime.

Together with 29489479, 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 (29489479) 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, 14744738 + 14744739.

It is an arithmetic number, because the mean of its divisors is an integer number (14744739).

Almost surely, 229489477 is an apocalyptic number.

It is an amenable number.

29489477 is a deficient number, since it is larger than the sum of its proper divisors (1).

29489477 is an equidigital number, since it uses as much as digits as its factorization.

29489477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 29489477 is about 5430.4214385257. The cubic root of 29489477 is about 308.9505861084.

The spelling of 29489477 in words is "twenty-nine million, four hundred eighty-nine thousand, four hundred seventy-seven".