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71441018 = 21129311083
BaseRepresentation
bin1000100001000…
…01101001111010
311222102120122122
410100201221322
5121242103033
611031121242
71525144565
oct420415172
9158376578
1071441018
1137365770
121bb13222
1311a546bc
1496b94dc
156412a98
hex4421a7a

71441018 has 16 divisors (see below), whose sum is σ = 117313056. Its totient is φ = 32359440.

The previous prime is 71441009. The next prime is 71441039. The reversal of 71441018 is 81014417.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905 + ... + 11987.

It is an arithmetic number, because the mean of its divisors is an integer number (7332066).

Almost surely, 271441018 is an apocalyptic number.

71441018 is a deficient number, since it is larger than the sum of its proper divisors (45872038).

71441018 is a wasteful number, since it uses less digits than its factorization.

71441018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11389.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 71441018 is about 8452.2788643064. The cubic root of 71441018 is about 414.9373651056.

The spelling of 71441018 in words is "seventy-one million, four hundred forty-one thousand, eighteen".

Divisors: 1 2 11 22 293 586 3223 6446 11083 22166 121913 243826 3247319 6494638 35720509 71441018