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536516820 = 2232572914683
BaseRepresentation
bin11111111110101…
…001100011010100
31101101112212201100
4133332221203110
52044322014240
6125123230100
716203213660
oct3776514324
91341485640
10536516820
11255939034
1212b818330
13871cc398
145137d8a0
153217ce30
hex1ffa98d4

536516820 has 144 divisors (see below), whose sum is σ = 1924191360. Its totient is φ = 118395648.

The previous prime is 536516819. The next prime is 536516833. The reversal of 536516820 is 28615635.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 29199 + ... + 43881.

It is an arithmetic number, because the mean of its divisors is an integer number (13362440).

Almost surely, 2536516820 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 536516820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962095680).

536516820 is an abundant number, since it is smaller than the sum of its proper divisors (1387674540).

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

536516820 is a wasteful number, since it uses less digits than its factorization.

536516820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14734 (or 14729 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 536516820 is about 23162.8327283171. The cubic root of 536516820 is about 812.5706169786.

The spelling of 536516820 in words is "five hundred thirty-six million, five hundred sixteen thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 29 30 35 36 42 45 58 60 63 70 84 87 90 105 116 126 140 145 174 180 203 210 252 261 290 315 348 406 420 435 522 580 609 630 812 870 1015 1044 1218 1260 1305 1740 1827 2030 2436 2610 3045 3654 4060 5220 6090 7308 9135 12180 14683 18270 29366 36540 44049 58732 73415 88098 102781 132147 146830 176196 205562 220245 264294 293660 308343 411124 425807 440490 513905 528588 616686 660735 851614 880980 925029 1027810 1233372 1277421 1321470 1541715 1703228 1850058 2055620 2129035 2554842 2642940 2980649 3083430 3700116 3832263 4258070 4625145 5109684 5961298 6166860 6387105 7664526 8516140 8941947 9250290 11922596 12774210 14903245 15329052 17883894 18500580 19161315 25548420 26825841 29806490 35767788 38322630 44709735 53651682 59612980 76645260 89419470 107303364 134129205 178838940 268258410 536516820