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29138712 = 2331214113
BaseRepresentation
bin110111100100…
…1111100011000
32000211101210120
41233021330120
524424414322
62520313240
7502450341
oct157117430
960741716
1029138712
11154a2389
129912820
136062c55
143c270c8
152858a5c
hex1bc9f18

29138712 has 16 divisors (see below), whose sum is σ = 72846840. Its totient is φ = 9712896.

The previous prime is 29138693. The next prime is 29138717. The reversal of 29138712 is 21783192.

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, 607033 + ... + 607080.

Almost surely, 229138712 is an apocalyptic number.

It is an amenable number.

29138712 is an abundant number, since it is smaller than the sum of its proper divisors (43708128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29138712 is a wasteful number, since it uses less digits than its factorization.

29138712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214122 (or 1214118 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 29138712 is about 5398.0285290095. The cubic root of 29138712 is about 307.7207509988.

The spelling of 29138712 in words is "twenty-nine million, one hundred thirty-eight thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 1214113 2428226 3642339 4856452 7284678 9712904 14569356 29138712