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71066902 = 2172090203
BaseRepresentation
bin1000011110001…
…10010100010110
311221201120110111
410033012110112
5121143120102
611015113234
71522026064
oct417062426
9157646414
1071066902
113712a685
121b97281a
131195332a
14961d034
15638bcd7
hex43c6516

71066902 has 8 divisors (see below), whose sum is σ = 112871016. Its totient is φ = 33443232.

The previous prime is 71066893. The next prime is 71066903. The reversal of 71066902 is 20966017.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71066903) 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, 1045068 + ... + 1045135.

It is an arithmetic number, because the mean of its divisors is an integer number (14108877).

Almost surely, 271066902 is an apocalyptic number.

71066902 is a deficient number, since it is larger than the sum of its proper divisors (41804114).

71066902 is a wasteful number, since it uses less digits than its factorization.

71066902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090222.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 71066902 is about 8430.1187417497. The cubic root of 71066902 is about 414.2117946707.

The spelling of 71066902 in words is "seventy-one million, sixty-six thousand, nine hundred two".

Divisors: 1 2 17 34 2090203 4180406 35533451 71066902