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71052536 = 2328131607
BaseRepresentation
bin1000011110000…
…10110011111000
311221200211202102
410033002303320
5121142140121
611014522532
71521636152
oct417026370
9157624672
1071052536
113711a905
121b966448
1311949929
149617ad2
15638790b
hex43c2cf8

71052536 has 16 divisors (see below), whose sum is σ = 133701840. Its totient is φ = 35398720.

The previous prime is 71052529. The next prime is 71052539. The reversal of 71052536 is 63525017.

It is a junction number, because it is equal to n+sod(n) for n = 71052499 and 71052508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71052539) 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 3 ways as a sum of consecutive naturals, for example, 13556 + ... + 18051.

It is an arithmetic number, because the mean of its divisors is an integer number (8356365).

Almost surely, 271052536 is an apocalyptic number.

It is an amenable number.

71052536 is a deficient number, since it is larger than the sum of its proper divisors (62649304).

71052536 is a wasteful number, since it uses less digits than its factorization.

71052536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31894 (or 31890 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 71052536 is about 8429.2666347672. The cubic root of 71052536 is about 414.1838821569.

The spelling of 71052536 in words is "seventy-one million, fifty-two thousand, five hundred thirty-six".

Divisors: 1 2 4 8 281 562 1124 2248 31607 63214 126428 252856 8881567 17763134 35526268 71052536