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553990856 = 23103811829
BaseRepresentation
bin100001000001010…
…011101011001000
31102121102122120212
4201001103223020
52113310201411
6130545540252
716504562456
oct4101235310
91377378525
10553990856
11264793591
12135644688
138aa09b53
145380b9d6
153398068b
hex21053ac8

553990856 has 32 divisors (see below), whose sum is σ = 1051377600. Its totient is φ = 273637440.

The previous prime is 553990823. The next prime is 553990933. The reversal of 553990856 is 658099355.

It is a super-2 number, since 2×5539908562 = 613811737063225472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667850 + ... + 668678.

It is an arithmetic number, because the mean of its divisors is an integer number (32855550).

Almost surely, 2553990856 is an apocalyptic number.

It is an amenable number.

553990856 is a deficient number, since it is larger than the sum of its proper divisors (497386744).

553990856 is a wasteful number, since it uses less digits than its factorization.

553990856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 50.

The square root of 553990856 is about 23537.0103454113. The cubic root of 553990856 is about 821.2981895616.

The spelling of 553990856 in words is "five hundred fifty-three million, nine hundred ninety thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 103 206 412 811 824 829 1622 1658 3244 3316 6488 6632 83533 85387 167066 170774 334132 341548 668264 672319 683096 1344638 2689276 5378552 69248857 138497714 276995428 553990856