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52705744 = 2471353683
BaseRepresentation
bin1100100100001…
…1100111010000
310200011201200121
43021003213100
5101443040434
65121400024
71206664030
oct311034720
9120151617
1052705744
1127829673
1215799014
13abc4b40
146ddd8c0
1549617b4
hex32439d0

52705744 has 80 divisors (see below), whose sum is σ = 128241792. Its totient is φ = 20427264.

The previous prime is 52705727. The next prime is 52705771. The reversal of 52705744 is 44750725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76827 + ... + 77509.

Almost surely, 252705744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52705744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64120896).

52705744 is an abundant number, since it is smaller than the sum of its proper divisors (75536048).

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

52705744 is a wasteful number, since it uses less digits than its factorization.

52705744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 52705744 is about 7259.8721751833. The cubic root of 52705744 is about 374.9321216401.

The spelling of 52705744 in words is "fifty-two million, seven hundred five thousand, seven hundred forty-four".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 53 56 91 104 106 112 182 208 212 364 371 424 683 689 728 742 848 1366 1378 1456 1484 2732 2756 2968 4781 4823 5464 5512 5936 8879 9562 9646 10928 11024 17758 19124 19292 35516 36199 38248 38584 62153 71032 72398 76496 77168 124306 142064 144796 248612 253393 289592 470587 497224 506786 579184 941174 994448 1013572 1882348 2027144 3294109 3764696 4054288 6588218 7529392 13176436 26352872 52705744