Search a number
-
+
52285320 = 23325311467
BaseRepresentation
bin1100011101110…
…0111110001000
310122101100222100
43013130332020
5101341112240
65104353400
71203263223
oct307347610
9118340870
1052285320
112757180a
1215615860
13aaa8679
146d305ba
1548cbe30
hex31dcf88

52285320 has 96 divisors (see below), whose sum is σ = 170838720. Its totient is φ = 13868160.

The previous prime is 52285309. The next prime is 52285351. The reversal of 52285320 is 2358225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111727 + ... + 112193.

It is an arithmetic number, because the mean of its divisors is an integer number (1779570).

Almost surely, 252285320 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 52285320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85419360).

52285320 is an abundant number, since it is smaller than the sum of its proper divisors (118553400).

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

52285320 is a wasteful number, since it uses less digits than its factorization.

52285320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 52285320 is about 7230.8588701481. The cubic root of 52285320 is about 373.9325376140.

The spelling of 52285320 in words is "fifty-two million, two hundred eighty-five thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 311 360 467 622 933 934 1244 1401 1555 1866 1868 2335 2488 2799 2802 3110 3732 3736 4203 4665 4670 5598 5604 6220 7005 7464 8406 9330 9340 11196 11208 12440 13995 14010 16812 18660 18680 21015 22392 27990 28020 33624 37320 42030 55980 56040 84060 111960 145237 168120 290474 435711 580948 726185 871422 1161896 1307133 1452370 1742844 2178555 2614266 2904740 3485688 4357110 5228532 5809480 6535665 8714220 10457064 13071330 17428440 26142660 52285320