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29907328 = 271121931
BaseRepresentation
bin111001000010…
…1100110000000
32002021110010211
41302011212000
530124013303
62545003504
7512131243
oct162054600
962243124
1029907328
1115977900
12a023594
136271a59
143d8725a
15295b66d
hex1c85980

29907328 has 48 divisors (see below), whose sum is σ = 65523780. Its totient is φ = 13587200.

The previous prime is 29907299. The next prime is 29907341. The reversal of 29907328 is 82370992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14523 + ... + 16453.

Almost surely, 229907328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29907328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32761890).

29907328 is an abundant number, since it is smaller than the sum of its proper divisors (35616452).

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

29907328 is a wasteful number, since it uses less digits than its factorization.

29907328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1944 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 29907328 is about 5468.7592742779. The cubic root of 29907328 is about 310.4029723030.

The spelling of 29907328 in words is "twenty-nine million, nine hundred seven thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 352 484 704 968 1408 1931 1936 3862 3872 7724 7744 15448 15488 21241 30896 42482 61792 84964 123584 169928 233651 247168 339856 467302 679712 934604 1359424 1869208 2718848 3738416 7476832 14953664 29907328