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8233628220 = 2232583551113
BaseRepresentation
bin1111010101100001…
…10011001000111100
3210020211000122120100
413222300303020330
5113330302100340
63441003121100
7411015453666
oct75260631074
923224018510
108233628220
113545739824
121719513190
13a12a7297c
14581721536
15332c98830
hex1eac3323c

8233628220 has 72 divisors (see below), whose sum is σ = 25276292496. Its totient is φ = 2169176832.

The previous prime is 8233628219. The next prime is 8233628231. The reversal of 8233628220 is 228263328.

8233628220 is a `hidden beast` number, since 8 + 2 + 3 + 3 + 628 + 2 + 20 = 666.

It is a super-3 number, since 3×82336282203 (a number of 31 digits) contains 333 as substring.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260617 + ... + 290496.

It is an arithmetic number, because the mean of its divisors is an integer number (351059618).

Almost surely, 28233628220 is an apocalyptic number.

It is an amenable number.

8233628220 is an abundant number, since it is smaller than the sum of its proper divisors (17042664276).

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

8233628220 is a wasteful number, since it uses less digits than its factorization.

8233628220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551211 (or 551206 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 8233628220 is about 90739.3421840824. The cubic root of 8233628220 is about 2019.2825132143.

The spelling of 8233628220 in words is "eight billion, two hundred thirty-three million, six hundred twenty-eight thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 83 90 166 180 249 332 415 498 747 830 996 1245 1494 1660 2490 2988 3735 4980 7470 14940 551113 1102226 1653339 2204452 2755565 3306678 4960017 5511130 6613356 8266695 9920034 11022260 16533390 19840068 24800085 33066780 45742379 49600170 91484758 99200340 137227137 182969516 228711895 274454274 411681411 457423790 548908548 686135685 823362822 914847580 1372271370 1646725644 2058407055 2744542740 4116814110 8233628220