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528293220 = 223571396757
BaseRepresentation
bin11111011111010…
…001110101100100
31100211002002001120
4133133101311210
52040220340340
6124231053540
716043263320
oct3737216544
91324062046
10528293220
11251231574
12128b112b0
13855b0250
145023c980
15315a64d0
hex1f7d1d64

528293220 has 96 divisors (see below), whose sum is σ = 1820598528. Its totient is φ = 111462912.

The previous prime is 528293209. The next prime is 528293239. The reversal of 528293220 is 22392825.

528293220 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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, 42919 + ... + 53838.

It is an arithmetic number, because the mean of its divisors is an integer number (18964568).

Almost surely, 2528293220 is an apocalyptic number.

It is an amenable number.

528293220 is an abundant number, since it is smaller than the sum of its proper divisors (1292305308).

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

528293220 is a wasteful number, since it uses less digits than its factorization.

528293220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96789 (or 96787 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 528293220 is about 22984.6300818612. The cubic root of 528293220 is about 808.3975941638.

The spelling of 528293220 in words is "five hundred twenty-eight million, two hundred ninety-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 130 140 156 182 195 210 260 273 364 390 420 455 546 780 910 1092 1365 1820 2730 5460 96757 193514 290271 387028 483785 580542 677299 967570 1161084 1257841 1354598 1451355 1935140 2031897 2515682 2709196 2902710 3386495 3773523 4063794 5031364 5805420 6289205 6772990 7547046 8127588 8804887 10159485 12578410 13545980 15094092 17609774 18867615 20318970 25156820 26414661 35219548 37735230 40637940 44024435 52829322 75470460 88048870 105658644 132073305 176097740 264146610 528293220