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550045760 = 26511307509
BaseRepresentation
bin100000110010010…
…000100001000000
31102100000012221012
4200302100201000
52111302431020
6130325220052
716426211645
oct4062204100
91370005835
10550045760
11262539580
12134261628
1389c58284
14530a1dcc
15334517c5
hex20c90840

550045760 has 112 divisors (see below), whose sum is σ = 1436339520. Its totient is φ = 198973440.

The previous prime is 550045711. The next prime is 550045781. The reversal of 550045760 is 67540055.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080386 + ... + 1080894.

It is an arithmetic number, because the mean of its divisors is an integer number (12824460).

Almost surely, 2550045760 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 550045760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718169760).

550045760 is an abundant number, since it is smaller than the sum of its proper divisors (886293760).

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

550045760 is a wasteful number, since it uses less digits than its factorization.

550045760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 550045760 is about 23453.0543853034. The cubic root of 550045760 is about 819.3439924804.

The spelling of 550045760 in words is "five hundred fifty million, forty-five thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 160 176 220 307 320 352 440 509 614 704 880 1018 1228 1535 1760 2036 2456 2545 3070 3377 3520 4072 4912 5090 5599 6140 6754 8144 9824 10180 11198 12280 13508 16288 16885 19648 20360 22396 24560 27016 27995 32576 33770 40720 44792 49120 54032 55990 67540 81440 89584 98240 108064 111980 135080 156263 162880 179168 216128 223960 270160 312526 358336 447920 540320 625052 781315 895840 1080640 1250104 1562630 1718893 1791680 2500208 3125260 3437786 5000416 6250520 6875572 8594465 10000832 12501040 13751144 17188930 25002080 27502288 34377860 50004160 55004576 68755720 110009152 137511440 275022880 550045760