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29144479 = 713320269
BaseRepresentation
bin110111100101…
…1010110011111
32000211200201011
41233023112133
524430110404
62520400051
7502503220
oct157132637
960750634
1029144479
11154a6751
129916027
136065770
143c29247
15285a604
hex1bcb59f

29144479 has 8 divisors (see below), whose sum is σ = 35870240. Its totient is φ = 23059296.

The previous prime is 29144441. The next prime is 29144483. The reversal of 29144479 is 97444192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29144479 - 221 = 27047327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29144429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160044 + ... + 160225.

It is an arithmetic number, because the mean of its divisors is an integer number (4483780).

Almost surely, 229144479 is an apocalyptic number.

29144479 is a deficient number, since it is larger than the sum of its proper divisors (6725761).

29144479 is a wasteful number, since it uses less digits than its factorization.

29144479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320289.

The product of its digits is 72576, while the sum is 40.

The square root of 29144479 is about 5398.5626790841. The cubic root of 29144479 is about 307.7410505521.

The spelling of 29144479 in words is "twenty-nine million, one hundred forty-four thousand, four hundred seventy-nine".

Divisors: 1 7 13 91 320269 2241883 4163497 29144479