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52865592 = 233132353139
BaseRepresentation
bin1100100110101…
…0101000111000
310200110211221220
43021222220320
5102013144332
65125032040
71211231043
oct311525070
9120424856
1052865592
112792877a
1215855620
13ac4c820
147041c5a
154993d2c
hex326aa38

52865592 has 128 divisors (see below), whose sum is σ = 152409600. Its totient is φ = 15155712.

The previous prime is 52865587. The next prime is 52865599. The reversal of 52865592 is 29556825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52865599) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380259 + ... + 380397.

It is an arithmetic number, because the mean of its divisors is an integer number (1190700).

Almost surely, 252865592 is an apocalyptic number.

52865592 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52865592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76204800).

52865592 is an abundant number, since it is smaller than the sum of its proper divisors (99544008).

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

52865592 is a wasteful number, since it uses less digits than its factorization.

52865592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 233 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The square root of 52865592 is about 7270.8728499404. The cubic root of 52865592 is about 375.3107752677.

It can be divided in two parts, 5286 and 5592, that added together give a triangular number (10878 = T147).

The spelling of 52865592 in words is "fifty-two million, eight hundred sixty-five thousand, five hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 13 23 24 26 39 46 52 53 69 78 92 104 106 138 139 156 159 184 212 276 278 299 312 318 417 424 552 556 598 636 689 834 897 1112 1196 1219 1272 1378 1668 1794 1807 2067 2392 2438 2756 3197 3336 3588 3614 3657 4134 4876 5421 5512 6394 7176 7228 7314 7367 8268 9591 9752 10842 12788 14456 14628 14734 15847 16536 19182 21684 22101 25576 29256 29468 31694 38364 41561 43368 44202 47541 58936 63388 76728 83122 88404 95082 95771 124683 126776 166244 169441 176808 190164 191542 249366 287313 332488 338882 380328 383084 498732 508323 574626 677764 766168 997464 1016646 1149252 1355528 2033292 2202733 2298504 4066584 4405466 6608199 8810932 13216398 17621864 26432796 52865592