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71716067 = 83864049
BaseRepresentation
bin1000100011001…
…00110011100011
311222221112221122
410101210303203
5121324403232
611041042455
71530401513
oct421446343
9158845848
1071716067
1137533385
122002642b
1311b1c957
14974b843
156469312
hex4464ce3

71716067 has 4 divisors (see below), whose sum is σ = 72580200. Its totient is φ = 70851936.

The previous prime is 71716039. The next prime is 71716103. The reversal of 71716067 is 76061717.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71716067 - 220 = 70667491 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (71715067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431942 + ... + 432107.

It is an arithmetic number, because the mean of its divisors is an integer number (18145050).

Almost surely, 271716067 is an apocalyptic number.

71716067 is a deficient number, since it is larger than the sum of its proper divisors (864133).

71716067 is an equidigital number, since it uses as much as digits as its factorization.

71716067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864132.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 71716067 is about 8468.5339345131. The cubic root of 71716067 is about 415.4691882236.

The spelling of 71716067 in words is "seventy-one million, seven hundred sixteen thousand, sixty-seven".

Divisors: 1 83 864049 71716067