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71466863 = 1324122811
BaseRepresentation
bin1000100001001…
…11111101101111
311222110220002212
410100213331233
5121243414423
611031441035
71525313126
oct420477557
9158426085
1071466863
1137383126
121bb2617b
1311a633b0
1496c4abd
15641a578
hex4427f6f

71466863 has 8 divisors (see below), whose sum is σ = 77287056. Its totient is φ = 65692800.

The previous prime is 71466853. The next prime is 71466883. The reversal of 71466863 is 36866417.

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

It is a cyclic number.

It is not a de Polignac number, because 71466863 - 28 = 71466607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71466863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71466803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8273 + ... + 14538.

It is an arithmetic number, because the mean of its divisors is an integer number (9660882).

Almost surely, 271466863 is an apocalyptic number.

71466863 is a deficient number, since it is larger than the sum of its proper divisors (5820193).

71466863 is a wasteful number, since it uses less digits than its factorization.

71466863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23065.

The product of its digits is 145152, while the sum is 41.

The square root of 71466863 is about 8453.8076036778. The cubic root of 71466863 is about 414.9873959495.

The spelling of 71466863 in words is "seventy-one million, four hundred sixty-six thousand, eight hundred sixty-three".

Divisors: 1 13 241 3133 22811 296543 5497451 71466863