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71068504 = 2313683351
BaseRepresentation
bin1000011110001…
…10101101011000
311221201122122211
410033012231120
5121143143004
611015124504
71522033543
oct417065530
9157648584
1071068504
1137130901
121b973734
1311953c90
14961d85a
15638c504
hex43c6b58

71068504 has 16 divisors (see below), whose sum is σ = 143503920. Its totient is φ = 32800800.

The previous prime is 71068499. The next prime is 71068507. The reversal of 71068504 is 40586017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71068507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341572 + ... + 341779.

It is an arithmetic number, because the mean of its divisors is an integer number (8968995).

Almost surely, 271068504 is an apocalyptic number.

It is an amenable number.

71068504 is an abundant number, since it is smaller than the sum of its proper divisors (72435416).

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

71068504 is a wasteful number, since it uses less digits than its factorization.

71068504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683370 (or 683366 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 71068504 is about 8430.2137576695. The cubic root of 71068504 is about 414.2149070539.

The spelling of 71068504 in words is "seventy-one million, sixty-eight thousand, five hundred four".

Divisors: 1 2 4 8 13 26 52 104 683351 1366702 2733404 5466808 8883563 17767126 35534252 71068504