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71055116 = 221159101271
BaseRepresentation
bin1000011110000…
…11011100001100
311221200222021222
410033003130030
5121142230431
611014542512
71521646526
oct417033414
9157628258
1071055116
1137121840
121b967a38
131194ab62
149618a16
15638857b
hex43c370c

71055116 has 48 divisors (see below), whose sum is σ = 139829760. Its totient is φ = 31320000.

The previous prime is 71055113. The next prime is 71055143. The reversal of 71055116 is 61155017.

It is not an unprimeable number, because it can be changed into a prime (71055113) 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, 262061 + ... + 262331.

It is an arithmetic number, because the mean of its divisors is an integer number (2913120).

Almost surely, 271055116 is an apocalyptic number.

It is an amenable number.

71055116 is a deficient number, since it is larger than the sum of its proper divisors (68774644).

71055116 is a wasteful number, since it uses less digits than its factorization.

71055116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 71055116 is about 8429.4196716025. The cubic root of 71055116 is about 414.1888952619.

Subtracting from 71055116 its reverse (61155017), we obtain a palindrome (9900099).

It can be divided in two parts, 7105 and 5116, that added together give a palindrome (12221).

The spelling of 71055116 in words is "seventy-one million, fifty-five thousand, one hundred sixteen".

Divisors: 1 2 4 11 22 44 59 101 118 202 236 271 404 542 649 1084 1111 1298 2222 2596 2981 4444 5959 5962 11918 11924 15989 23836 27371 31978 54742 63956 65549 109484 131098 175879 262196 301081 351758 602162 703516 1204324 1614889 3229778 6459556 17763779 35527558 71055116