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52030860 = 2235743267
BaseRepresentation
bin1100011001111…
…0110110001100
310121220102220220
43012132312030
5101304441420
65055111340
71201153320
oct306366614
9117812826
1052030860
1127408612
1215512550
13aa198bb
146ca5980
15487b840
hex319ed8c

52030860 has 144 divisors (see below), whose sum is σ = 173005056. Its totient is φ = 11442816.

The previous prime is 52030841. The next prime is 52030877. The reversal of 52030860 is 6803025.

It is a self number, because there is not a number n which added to its sum of digits gives 52030860.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 776547 + ... + 776613.

It is an arithmetic number, because the mean of its divisors is an integer number (1201424).

Almost surely, 252030860 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 52030860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86502528).

52030860 is an abundant number, since it is smaller than the sum of its proper divisors (120974196).

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

52030860 is a wasteful number, since it uses less digits than its factorization.

52030860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 52030860 is about 7213.2419895634. The cubic root of 52030860 is about 373.3249378072.

Adding to 52030860 its reverse (6803025), we get a palindrome (58833885).

The spelling of 52030860 in words is "fifty-two million, thirty thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 43 60 67 70 84 86 105 129 134 140 172 201 210 215 258 268 301 335 402 420 430 469 516 602 645 670 804 860 903 938 1005 1204 1290 1340 1407 1505 1806 1849 1876 2010 2345 2580 2814 2881 3010 3612 3698 4020 4515 4690 5547 5628 5762 6020 7035 7396 8643 9030 9245 9380 11094 11524 12943 14070 14405 17286 18060 18490 20167 22188 25886 27735 28140 28810 34572 36980 38829 40334 43215 51772 55470 57620 60501 64715 77658 80668 86430 100835 110940 121002 123883 129430 155316 172860 194145 201670 242004 247766 258860 302505 371649 388290 403340 495532 605010 619415 743298 776580 867181 1210020 1238830 1486596 1734362 1858245 2477660 2601543 3468724 3716490 4335905 5203086 7432980 8671810 10406172 13007715 17343620 26015430 52030860