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71328108 = 2235944009
BaseRepresentation
bin1000100000001…
…10000101101100
311222012211202210
410100012011230
5121224444413
611024450420
71524164445
oct420060554
9158184683
1071328108
1137298955
121ba79a10
1311a151a7
14968a2cc
1563de3c3
hex440616c

71328108 has 12 divisors (see below), whose sum is σ = 166432280. Its totient is φ = 23776032.

The previous prime is 71328097. The next prime is 71328137. The reversal of 71328108 is 80182317.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2971993 + ... + 2972016.

Almost surely, 271328108 is an apocalyptic number.

It is an amenable number.

71328108 is an abundant number, since it is smaller than the sum of its proper divisors (95104172).

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

71328108 is a wasteful number, since it uses less digits than its factorization.

71328108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944016 (or 5944014 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 71328108 is about 8445.5969593629. The cubic root of 71328108 is about 414.7186519033.

The spelling of 71328108 in words is "seventy-one million, three hundred twenty-eight thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 5944009 11888018 17832027 23776036 35664054 71328108