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551081300 = 225271171569
BaseRepresentation
bin100000110110001…
…101010101010100
31102101221211102112
4200312031111110
52112034100200
6130403330152
716441054010
oct4066152524
91371854375
10551081300
112630865a0
12134680958
138a22b713
1453291540
15335a8535
hex20d8d554

551081300 has 72 divisors (see below), whose sum is σ = 1490946240. Its totient is φ = 171763200.

The previous prime is 551081281. The next prime is 551081353. The reversal of 551081300 is 3180155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28085 + ... + 43484.

Almost surely, 2551081300 is an apocalyptic number.

551081300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551081300 is an abundant number, since it is smaller than the sum of its proper divisors (939864940).

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

551081300 is a wasteful number, since it uses less digits than its factorization.

551081300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71601 (or 71594 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 551081300 is about 23475.1208729582. The cubic root of 551081300 is about 819.8578476566.

The spelling of 551081300 in words is "five hundred fifty-one million, eighty-one thousand, three hundred".

Divisors: 1 2 4 5 7 10 11 14 20 22 25 28 35 44 50 55 70 77 100 110 140 154 175 220 275 308 350 385 550 700 770 1100 1540 1925 3850 7700 71569 143138 286276 357845 500983 715690 787259 1001966 1431380 1574518 1789225 2003932 2504915 3149036 3578450 3936295 5009830 5510813 7156900 7872590 10019660 11021626 12524575 15745180 19681475 22043252 25049150 27554065 39362950 50098300 55108130 78725900 110216260 137770325 275540650 551081300