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29208916 = 22112292081
BaseRepresentation
bin110111101101…
…1000101010100
32000221222002201
41233123011110
524434141131
62522014244
7503162122
oct157330524
960858081
1029208916
1115540100
129947384
136088ba9
143c44912
15286e761
hex1bdb154

29208916 has 36 divisors (see below), whose sum is σ = 58150260. Its totient is φ = 12812800.

The previous prime is 29208899. The next prime is 29208937. The reversal of 29208916 is 61980292.

It can be written as a sum of positive squares in 2 ways, for example, as 13176900 + 16032016 = 3630^2 + 4004^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12996 + ... + 15076.

It is an arithmetic number, because the mean of its divisors is an integer number (1615285).

Almost surely, 229208916 is an apocalyptic number.

It is an amenable number.

29208916 is a deficient number, since it is larger than the sum of its proper divisors (28941344).

29208916 is a wasteful number, since it uses less digits than its factorization.

29208916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 29208916 is about 5404.5273613888. The cubic root of 29208916 is about 307.9676836842.

The spelling of 29208916 in words is "twenty-nine million, two hundred eight thousand, nine hundred sixteen".

Divisors: 1 2 4 11 22 29 44 58 116 121 242 319 484 638 1276 2081 3509 4162 7018 8324 14036 22891 45782 60349 91564 120698 241396 251801 503602 663839 1007204 1327678 2655356 7302229 14604458 29208916