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52859730 = 2357311467
BaseRepresentation
bin1100100110100…
…1001101010010
310200110112220210
43021221031102
5102013002410
65124544550
71211205000
oct311511522
9120415823
1052859730
1127924330
1215852156
13ac49c61
14703da70
154992220
hex3269352

52859730 has 128 divisors (see below), whose sum is σ = 161740800. Its totient is φ = 10960320.

The previous prime is 52859711. The next prime is 52859731. The reversal of 52859730 is 3795825.

It is not an unprimeable number, because it can be changed into a prime (52859731) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112957 + ... + 113423.

It is an arithmetic number, because the mean of its divisors is an integer number (1263600).

Almost surely, 252859730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52859730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80870400).

52859730 is an abundant number, since it is smaller than the sum of its proper divisors (108881070).

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

52859730 is a wasteful number, since it uses less digits than its factorization.

52859730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 52859730 is about 7270.4697234773. The cubic root of 52859730 is about 375.2969026459.

The spelling of 52859730 in words is "fifty-two million, eight hundred fifty-nine thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 49 55 66 70 77 98 105 110 147 154 165 210 231 245 294 330 343 385 462 467 490 539 686 735 770 934 1029 1078 1155 1401 1470 1617 1715 2058 2310 2335 2695 2802 3234 3269 3430 3773 4670 5137 5145 5390 6538 7005 7546 8085 9807 10274 10290 11319 14010 15411 16170 16345 18865 19614 22638 22883 25685 30822 32690 35959 37730 45766 49035 51370 56595 68649 71918 77055 98070 107877 113190 114415 137298 154110 160181 179795 215754 228830 251713 320362 343245 359590 480543 503426 539385 686490 755139 800905 961086 1078770 1258565 1510278 1601810 1761991 2402715 2517130 3523982 3775695 4805430 5285973 7551390 8809955 10571946 17619910 26429865 52859730