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71159052 = 223151173227
BaseRepresentation
bin1000011110111…
…00110100001100
311221220020212110
410033130310030
5121204042202
611021104020
71522561536
oct417346414
9157806773
1071159052
1137192938
121b9b8010
1311986263
149644856
1563a926c
hex43dcd0c

71159052 has 48 divisors (see below), whose sum is σ = 168844032. Its totient is φ = 23323200.

The previous prime is 71159051. The next prime is 71159063. The reversal of 71159052 is 25095117.

It is a super-2 number, since 2×711590522 = 10127221363077408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71159051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313363 + ... + 313589.

It is an arithmetic number, because the mean of its divisors is an integer number (3517584).

Almost surely, 271159052 is an apocalyptic number.

It is an amenable number.

71159052 is an abundant number, since it is smaller than the sum of its proper divisors (97684980).

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

71159052 is a wasteful number, since it uses less digits than its factorization.

71159052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 71159052 is about 8435.5824932248. The cubic root of 71159052 is about 414.3907487264.

The spelling of 71159052 in words is "seventy-one million, one hundred fifty-nine thousand, fifty-two".

Divisors: 1 2 3 4 6 12 151 173 227 302 346 453 454 519 604 681 692 906 908 1038 1362 1812 2076 2724 26123 34277 39271 52246 68554 78369 78542 102831 104492 117813 137108 156738 157084 205662 235626 313476 411324 471252 5929921 11859842 17789763 23719684 35579526 71159052