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29319128 = 2319192889
BaseRepresentation
bin110111111010…
…1111111011000
32001011120021122
41233311333120
530001203003
62524224412
7504131336
oct157657730
961146248
1029319128
1115605993
12999b108
1360c70c7
143c72b56
152892238
hex1bf5fd8

29319128 has 16 divisors (see below), whose sum is σ = 57867000. Its totient is φ = 13887936.

The previous prime is 29319127. The next prime is 29319151. The reversal of 29319128 is 82191392.

It is a super-2 number, since 2×293191282 = 1719222533360768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29319127) 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, 96293 + ... + 96596.

Almost surely, 229319128 is an apocalyptic number.

It is an amenable number.

29319128 is a deficient number, since it is larger than the sum of its proper divisors (28547872).

29319128 is a wasteful number, since it uses less digits than its factorization.

29319128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192914 (or 192910 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 29319128 is about 5414.7140275364. The cubic root of 29319128 is about 308.3545419711.

The spelling of 29319128 in words is "twenty-nine million, three hundred nineteen thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 19 38 76 152 192889 385778 771556 1543112 3664891 7329782 14659564 29319128