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29005239 = 310790359
BaseRepresentation
bin110111010100…
…1010110110111
32000120121201010
41232221112313
524411131424
62513403303
7501353244
oct156512667
960517633
1029005239
111541107a
129869533
136017283
143bd05cb
15282e229
hex1ba95b7

29005239 has 8 divisors (see below), whose sum is σ = 39035520. Its totient is φ = 19155896.

The previous prime is 29005237. The next prime is 29005241. The reversal of 29005239 is 93250092.

It is an interprime number because it is at equal distance from previous prime (29005237) and next prime (29005241).

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 29005239 - 21 = 29005237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29005237) 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, 44859 + ... + 45500.

It is an arithmetic number, because the mean of its divisors is an integer number (4879440).

Almost surely, 229005239 is an apocalyptic number.

29005239 is a deficient number, since it is larger than the sum of its proper divisors (10030281).

29005239 is a wasteful number, since it uses less digits than its factorization.

29005239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90469.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 29005239 is about 5385.6512141059. The cubic root of 29005239 is about 307.2501824521.

The spelling of 29005239 in words is "twenty-nine million, five thousand, two hundred thirty-nine".

Divisors: 1 3 107 321 90359 271077 9668413 29005239