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71360740 = 225112771171
BaseRepresentation
bin1000100000011…
…10000011100100
311222021111112101
410100032003210
5121232020430
611025301444
71524361543
oct420160344
9158244471
1071360740
1137310420
121ba94884
1311a26cb9
14969815a
1563e8dca
hex440e0e4

71360740 has 48 divisors (see below), whose sum is σ = 164211264. Its totient is φ = 25833600.

The previous prime is 71360717. The next prime is 71360749. The reversal of 71360740 is 4706317.

It is a junction number, because it is equal to n+sod(n) for n = 71360699 and 71360708.

It is not an unprimeable number, because it can be changed into a prime (71360749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60355 + ... + 61525.

It is an arithmetic number, because the mean of its divisors is an integer number (3421068).

Almost surely, 271360740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71360740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82105632).

71360740 is an abundant number, since it is smaller than the sum of its proper divisors (92850524).

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

71360740 is a wasteful number, since it uses less digits than its factorization.

71360740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468 (or 1466 counting only the distinct ones).

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

The square root of 71360740 is about 8447.5286326831. The cubic root of 71360740 is about 414.7818856746.

The spelling of 71360740 in words is "seventy-one million, three hundred sixty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 277 554 1108 1171 1385 2342 2770 3047 4684 5540 5855 6094 11710 12188 12881 15235 23420 25762 30470 51524 60940 64405 128810 257620 324367 648734 1297468 1621835 3243670 3568037 6487340 7136074 14272148 17840185 35680370 71360740