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29219369 = 199359409
BaseRepresentation
bin110111101110…
…1101000101001
32000222111102212
41233131220221
524440004434
62522134505
7503234444
oct157355051
960874385
1029219369
1115547a43
129951435
13609088a
143c4865b
1528728ce
hex1bdda29

29219369 has 8 divisors (see below), whose sum is σ = 29520000. Its totient is φ = 28920672.

The previous prime is 29219357. The next prime is 29219389. The reversal of 29219369 is 96391292.

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

It is a cyclic number.

It is not a de Polignac number, because 29219369 - 224 = 12442153 is a prime.

It is a super-2 number, since 2×292193692 = 1707543049516322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29219389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71237 + ... + 71645.

It is an arithmetic number, because the mean of its divisors is an integer number (3690000).

Almost surely, 229219369 is an apocalyptic number.

It is an amenable number.

29219369 is a deficient number, since it is larger than the sum of its proper divisors (300631).

29219369 is a wasteful number, since it uses less digits than its factorization.

29219369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967.

The product of its digits is 52488, while the sum is 41.

The square root of 29219369 is about 5405.4943344712. The cubic root of 29219369 is about 308.0044167860.

The spelling of 29219369 in words is "twenty-nine million, two hundred nineteen thousand, three hundred sixty-nine".

Divisors: 1 199 359 409 71441 81391 146831 29219369