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71481014 = 2113249137
BaseRepresentation
bin1000100001010…
…11011010110110
311222111121111222
410100223122312
5121244343024
611032030342
71525402313
oct420533266
9158447458
1071481014
1137392820
121bb323b2
1311a69977
1496c9d0a
15641e85e
hex442b6b6

71481014 has 8 divisors (see below), whose sum is σ = 116968968. Its totient is φ = 32491360.

The previous prime is 71481013. The next prime is 71481019. The reversal of 71481014 is 41018417.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71481013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624547 + ... + 1624590.

It is an arithmetic number, because the mean of its divisors is an integer number (14621121).

Almost surely, 271481014 is an apocalyptic number.

71481014 is a deficient number, since it is larger than the sum of its proper divisors (45487954).

71481014 is a wasteful number, since it uses less digits than its factorization.

71481014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249150.

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

The square root of 71481014 is about 8454.6445223912. The cubic root of 71481014 is about 415.0147843961.

The spelling of 71481014 in words is "seventy-one million, four hundred eighty-one thousand, fourteen".

Divisors: 1 2 11 22 3249137 6498274 35740507 71481014