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29138716 = 2211516329
BaseRepresentation
bin110111100100…
…1111100011100
32000211101210201
41233021330130
524424414331
62520313244
7502450345
oct157117434
960741721
1029138716
11154a2392
129912824
136062c59
143c270cc
152858a61
hex1bc9f1c

29138716 has 12 divisors (see below), whose sum is σ = 51045120. Its totient is φ = 14554400.

The previous prime is 29138693. The next prime is 29138717. The reversal of 29138716 is 61783192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29138717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440 + ... + 7768.

It is an arithmetic number, because the mean of its divisors is an integer number (4253760).

Almost surely, 229138716 is an apocalyptic number.

It is an amenable number.

29138716 is a deficient number, since it is larger than the sum of its proper divisors (21906404).

29138716 is a wasteful number, since it uses less digits than its factorization.

29138716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7484 (or 7482 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 29138716 is about 5398.0288995151. The cubic root of 29138716 is about 307.7207650795.

The spelling of 29138716 in words is "twenty-nine million, one hundred thirty-eight thousand, seven hundred sixteen".

Divisors: 1 2 4 1151 2302 4604 6329 12658 25316 7284679 14569358 29138716