Search a number
-
+
71065070 = 258598273
BaseRepresentation
bin1000011110001…
…01110111101110
311221201110221122
410033011313232
5121143040240
611015100542
71522020536
oct417056756
9157643848
1071065070
113712926a
121b971752
131195254b
14961c4c6
15638b4b5
hex43c5dee

71065070 has 16 divisors (see below), whose sum is σ = 128081520. Its totient is φ = 28389504.

The previous prime is 71065069. The next prime is 71065133. The reversal of 71065070 is 7056017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4454 + ... + 12726.

It is an arithmetic number, because the mean of its divisors is an integer number (8005095).

Almost surely, 271065070 is an apocalyptic number.

71065070 is a deficient number, since it is larger than the sum of its proper divisors (57016450).

71065070 is a wasteful number, since it uses less digits than its factorization.

71065070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9139.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 71065070 is about 8430.0100830307. The cubic root of 71065070 is about 414.2082353836.

The spelling of 71065070 in words is "seventy-one million, sixty-five thousand, seventy".

Divisors: 1 2 5 10 859 1718 4295 8273 8590 16546 41365 82730 7106507 14213014 35532535 71065070