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71340760 = 2351783519
BaseRepresentation
bin1000100000010…
…01001011011000
311222020111010101
410100021023120
5121230401020
611025025144
71524246361
oct420111330
9158214111
1071340760
11372a7407
121ba851b4
1311a1ab8a
149690b68
1563e300a
hex44092d8

71340760 has 16 divisors (see below), whose sum is σ = 160516800. Its totient is φ = 28536288.

The previous prime is 71340757. The next prime is 71340767. The reversal of 71340760 is 6704317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71340767) 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, 891720 + ... + 891799.

It is an arithmetic number, because the mean of its divisors is an integer number (10032300).

Almost surely, 271340760 is an apocalyptic number.

It is an amenable number.

71340760 is an abundant number, since it is smaller than the sum of its proper divisors (89176040).

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

71340760 is a wasteful number, since it uses less digits than its factorization.

71340760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783530 (or 1783526 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 71340760 is about 8446.3459555005. The cubic root of 71340760 is about 414.7431710366.

The spelling of 71340760 in words is "seventy-one million, three hundred forty thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1783519 3567038 7134076 8917595 14268152 17835190 35670380 71340760