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52019220 = 223511269293
BaseRepresentation
bin1100011001110…
…0000000010100
310121212211221210
43012130000110
5101304103340
65054541420
71201104351
oct306340024
9117784853
1052019220
11273aa8a0
1215507870
13aa14506
146ca1628
154878180
hex319c014

52019220 has 96 divisors (see below), whose sum is σ = 160030080. Its totient is φ = 12520960.

The previous prime is 52019213. The next prime is 52019237. The reversal of 52019220 is 2291025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177394 + ... + 177686.

It is an arithmetic number, because the mean of its divisors is an integer number (1666980).

Almost surely, 252019220 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 52019220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80015040).

52019220 is an abundant number, since it is smaller than the sum of its proper divisors (108010860).

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

52019220 is a wasteful number, since it uses less digits than its factorization.

52019220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 52019220 is about 7212.4350950286. The cubic root of 52019220 is about 373.2970964687.

The spelling of 52019220 in words is "fifty-two million, nineteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 269 293 330 538 586 660 807 879 1076 1172 1345 1465 1614 1758 2690 2930 2959 3223 3228 3516 4035 4395 5380 5860 5918 6446 8070 8790 8877 9669 11836 12892 14795 16115 16140 17580 17754 19338 29590 32230 35508 38676 44385 48345 59180 64460 78817 88770 96690 157634 177540 193380 236451 315268 394085 472902 788170 866987 945804 1182255 1576340 1733974 2364510 2600961 3467948 4334935 4729020 5201922 8669870 10403844 13004805 17339740 26009610 52019220