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52005120 = 283529467
BaseRepresentation
bin1100011001100…
…0100100000000
310121212010121120
43012120210000
5101303130440
65054352240
71201015266
oct306304400
9117763546
1052005120
11273a0242
12154bb680
13aa0ac7b
146c9a436
154873dd0
hex3198900

52005120 has 144 divisors (see below), whose sum is σ = 172186560. Its totient is φ = 13361152.

The previous prime is 52005119. The next prime is 52005169. The reversal of 52005120 is 2150025.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 52005120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111127 + ... + 111593.

It is an arithmetic number, because the mean of its divisors is an integer number (1195740).

Almost surely, 252005120 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 52005120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86093280).

52005120 is an abundant number, since it is smaller than the sum of its proper divisors (120181440).

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

52005120 is a wasteful number, since it uses less digits than its factorization.

52005120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 52005120 is about 7211.4575503153. The cubic root of 52005120 is about 373.2633655727.

Adding to 52005120 its reverse (2150025), we get a palindrome (54155145).

It can be divided in two parts, 52005 and 120, that added together give a palindrome (52125).

The spelling of 52005120 in words is "fifty-two million, five thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 64 80 87 96 116 120 128 145 160 174 192 232 240 256 290 320 348 384 435 464 467 480 580 640 696 768 870 928 934 960 1160 1280 1392 1401 1740 1856 1868 1920 2320 2335 2784 2802 3480 3712 3736 3840 4640 4670 5568 5604 6960 7005 7424 7472 9280 9340 11136 11208 13543 13920 14010 14944 18560 18680 22272 22416 27086 27840 28020 29888 37120 37360 40629 44832 54172 55680 56040 59776 67715 74720 81258 89664 108344 111360 112080 119552 135430 149440 162516 179328 203145 216688 224160 270860 298880 325032 358656 406290 433376 448320 541720 597760 650064 812580 866752 896640 1083440 1300128 1625160 1733504 1793280 2166880 2600256 3250320 3467008 4333760 5200512 6500640 8667520 10401024 13001280 17335040 26002560 52005120