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29320880 = 245366511
BaseRepresentation
bin110111111011…
…0011010110000
32001011122200112
41233312122300
530001232010
62524240452
7504136421
oct157663260
961148615
1029320880
1115607236
1299a0128
1360c7b44
143c73648
152892a05
hex1bf66b0

29320880 has 20 divisors (see below), whose sum is σ = 68171232. Its totient is φ = 11728320.

The previous prime is 29320867. The next prime is 29320897. The reversal of 29320880 is 8802392.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183176 + ... + 183335.

Almost surely, 229320880 is an apocalyptic number.

29320880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29320880 is an abundant number, since it is smaller than the sum of its proper divisors (38850352).

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

29320880 is a wasteful number, since it uses less digits than its factorization.

29320880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366524 (or 366518 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 29320880 is about 5414.8758065167. The cubic root of 29320880 is about 308.3606838817.

The spelling of 29320880 in words is "twenty-nine million, three hundred twenty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 366511 733022 1466044 1832555 2932088 3665110 5864176 7330220 14660440 29320880