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71052480 = 2632524671
BaseRepresentation
bin1000011110000…
…10110011000000
311221200211200100
410033002303000
5121142134410
611014522400
71521636042
oct417026300
9157624610
1071052480
113711a864
121b966400
13119498b5
149617a92
1563878c0
hex43c2cc0

71052480 has 84 divisors (see below), whose sum is σ = 244400832. Its totient is φ = 18946560.

The previous prime is 71052473. The next prime is 71052511. The reversal of 71052480 is 8425017.

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, 9456 + ... + 15215.

Almost surely, 271052480 is an apocalyptic number.

It is an amenable number.

71052480 is an abundant number, since it is smaller than the sum of its proper divisors (173348352).

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

71052480 is a wasteful number, since it uses less digits than its factorization.

71052480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24694 (or 24681 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 71052480 is about 8429.2633130067. The cubic root of 71052480 is about 414.1837733439.

Adding to 71052480 its reverse (8425017), we get a palindrome (79477497).

The spelling of 71052480 in words is "seventy-one million, fifty-two 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 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 24671 49342 74013 98684 123355 148026 197368 222039 246710 296052 370065 394736 444078 493420 592104 740130 789472 888156 986840 1110195 1184208 1480260 1578944 1776312 1973680 2220390 2368416 2960520 3552624 3947360 4440780 4736832 5921040 7105248 7894720 8881560 11842080 14210496 17763120 23684160 35526240 71052480