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71856314 = 2172113421
BaseRepresentation
bin1000100100001…
…11000010111010
312000012200022222
410102013002322
5121343400224
611044044042
71531524425
oct422070272
9160180288
1071856314
1137619792
1220093622
1311b6b73a
1497869bc
156495b5e
hex44870ba

71856314 has 8 divisors (see below), whose sum is σ = 114124788. Its totient is φ = 33814720.

The previous prime is 71856299. The next prime is 71856359. The reversal of 71856314 is 41365817.

It can be written as a sum of positive squares in 2 ways, for example, as 65691025 + 6165289 = 8105^2 + 2483^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 1056677 + ... + 1056744.

Almost surely, 271856314 is an apocalyptic number.

71856314 is a deficient number, since it is larger than the sum of its proper divisors (42268474).

71856314 is a wasteful number, since it uses less digits than its factorization.

71856314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113440.

The product of its digits is 20160, while the sum is 35.

The square root of 71856314 is about 8476.8103671133. The cubic root of 71856314 is about 415.7398405705.

The spelling of 71856314 in words is "seventy-one million, eight hundred fifty-six thousand, three hundred fourteen".

Divisors: 1 2 17 34 2113421 4226842 35928157 71856314