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71160480 = 2532549417
BaseRepresentation
bin1000011110111…
…01001010100000
311221220022211100
410033131022200
5121204113410
611021114400
71522565646
oct417351240
9157808740
1071160480
1137193a16
121b9b8a00
1311986ac1
149645196
1563a98c0
hex43dd2a0

71160480 has 72 divisors (see below), whose sum is σ = 242840052. Its totient is φ = 18975744.

The previous prime is 71160443. The next prime is 71160493. The reversal of 71160480 is 8406117.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67963536 + 3196944 = 8244^2 + 1788^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23269 + ... + 26148.

Almost surely, 271160480 is an apocalyptic number.

It is an amenable number.

71160480 is an abundant number, since it is smaller than the sum of its proper divisors (171679572).

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

71160480 is a wasteful number, since it uses less digits than its factorization.

71160480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49438 (or 49427 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 71160480 is about 8435.6671342580. The cubic root of 71160480 is about 414.3935206671.

Adding to 71160480 its reverse (8406117), we get a palindrome (79566597).

The spelling of 71160480 in words is "seventy-one million, one hundred sixty thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 49417 98834 148251 197668 247085 296502 395336 444753 494170 593004 741255 790672 889506 988340 1186008 1482510 1581344 1779012 1976680 2223765 2372016 2965020 3558024 3953360 4447530 4744032 5930040 7116048 7906720 8895060 11860080 14232096 17790120 23720160 35580240 71160480