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71327912 = 23103107809
BaseRepresentation
bin1000100000001…
…10000010101000
311222012211111112
410100012002220
5121224443122
611024445452
71524164045
oct420060250
9158184445
1071327912
1137298797
121ba79888
1311a15086
14968a1cc
1563de2e2
hex44060a8

71327912 has 32 divisors (see below), whose sum is σ = 136468800. Its totient is φ = 34944384.

The previous prime is 71327911. The next prime is 71327933. The reversal of 71327912 is 21972317.

It is not an unprimeable number, because it can be changed into a prime (71327911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87764 + ... + 88572.

It is an arithmetic number, because the mean of its divisors is an integer number (4264650).

Almost surely, 271327912 is an apocalyptic number.

It is an amenable number.

71327912 is a deficient number, since it is larger than the sum of its proper divisors (65140888).

71327912 is a wasteful number, since it uses less digits than its factorization.

71327912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1021 counting only the distinct ones).

The product of its digits is 5292, while the sum is 32.

The square root of 71327912 is about 8445.5853556755. The cubic root of 71327912 is about 414.7182720393.

The spelling of 71327912 in words is "seventy-one million, three hundred twenty-seven thousand, nine hundred twelve".

Divisors: 1 2 4 8 103 107 206 214 412 428 809 824 856 1618 3236 6472 11021 22042 44084 83327 86563 88168 166654 173126 333308 346252 666616 692504 8915989 17831978 35663956 71327912