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71300082 = 2371697621
BaseRepresentation
bin1000011111111…
…11001111110010
311222011102022210
410033333033302
5121223100312
611024112550
71524016650
oct417771762
9158142283
1071300082
1137279897
121ba65756
1311a054c9
14967ddd0
1563d5e3c
hex43ff3f2

71300082 has 16 divisors (see below), whose sum is σ = 162971712. Its totient is φ = 20371440.

The previous prime is 71300059. The next prime is 71300083. The reversal of 71300082 is 28000317.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (71300083) 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, 848769 + ... + 848852.

It is an arithmetic number, because the mean of its divisors is an integer number (10185732).

Almost surely, 271300082 is an apocalyptic number.

71300082 is an abundant number, since it is smaller than the sum of its proper divisors (91671630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71300082 is a wasteful number, since it uses less digits than its factorization.

71300082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697633.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 71300082 is about 8443.9375885898. The cubic root of 71300082 is about 414.6643281690.

Adding to 71300082 its reverse (28000317), we get a palindrome (99300399).

The spelling of 71300082 in words is "seventy-one million, three hundred thousand, eighty-two".

Divisors: 1 2 3 6 7 14 21 42 1697621 3395242 5092863 10185726 11883347 23766694 35650041 71300082