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71230112 = 256733223
BaseRepresentation
bin1000011111011…
…10001010100000
311222000212100022
410033232022200
5121213330422
611022413012
71523305652
oct417561240
9158025308
1071230112
1137231268
121ba31168
13119ac6c5
1496626d2
1563c0342
hex43ee2a0

71230112 has 24 divisors (see below), whose sum is σ = 142331616. Its totient is φ = 35082432.

The previous prime is 71230087. The next prime is 71230121. The reversal of 71230112 is 21103217.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14468 + ... + 18755.

It is an arithmetic number, because the mean of its divisors is an integer number (5930484).

Almost surely, 271230112 is an apocalyptic number.

It is an amenable number.

71230112 is a deficient number, since it is larger than the sum of its proper divisors (71101504).

71230112 is a wasteful number, since it uses less digits than its factorization.

71230112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33300 (or 33292 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 71230112 is about 8439.7933623993. The cubic root of 71230112 is about 414.5286408115.

Adding to 71230112 its reverse (21103217), we get a palindrome (92333329).

The spelling of 71230112 in words is "seventy-one million, two hundred thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 67 134 268 536 1072 2144 33223 66446 132892 265784 531568 1063136 2225941 4451882 8903764 17807528 35615056 71230112