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29419287 = 39806429
BaseRepresentation
bin111000000111…
…0011100010111
32001100122200020
41300032130113
530012404122
62530320223
7505026342
oct160163427
961318606
1029419287
1115674167
129a29073
136130881
143c9b459
1528b1c5c
hex1c0e717

29419287 has 4 divisors (see below), whose sum is σ = 39225720. Its totient is φ = 19612856.

The previous prime is 29419259. The next prime is 29419297. The reversal of 29419287 is 78291492.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29419287 - 26 = 29419223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29419237) 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 in 3 ways as a sum of consecutive naturals, for example, 4903212 + ... + 4903217.

It is an arithmetic number, because the mean of its divisors is an integer number (9806430).

Almost surely, 229419287 is an apocalyptic number.

29419287 is a deficient number, since it is larger than the sum of its proper divisors (9806433).

29419287 is an equidigital number, since it uses as much as digits as its factorization.

29419287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9806432.

The product of its digits is 72576, while the sum is 42.

The square root of 29419287 is about 5423.9549223791. The cubic root of 29419287 is about 308.7052729606.

The spelling of 29419287 in words is "twenty-nine million, four hundred nineteen thousand, two hundred eighty-seven".

Divisors: 1 3 9806429 29419287