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550140780 = 22357591492
BaseRepresentation
bin100000110010100…
…111101101101100
31102100012001021110
4200302213231230
52111314001110
6130331232020
716430055660
oct4062475554
91370161243
10550140780
112625a3a02
121342a8610
1389c8c5b7
14530c88a0
153346ea20
hex20ca7b6c

550140780 has 144 divisors (see below), whose sum is σ = 1802384640. Its totient is φ = 122785536.

The previous prime is 550140779. The next prime is 550140797. The reversal of 550140780 is 87041055.

550140780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 3692146 + ... + 3692294.

It is an arithmetic number, because the mean of its divisors is an integer number (12516560).

Almost surely, 2550140780 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 550140780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901192320).

550140780 is an abundant number, since it is smaller than the sum of its proper divisors (1252243860).

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

550140780 is a wasteful number, since it uses less digits than its factorization.

550140780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 550140780 is about 23455.0800467617. The cubic root of 550140780 is about 819.3911701210.

The spelling of 550140780 in words is "five hundred fifty million, one hundred forty thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 59 60 70 84 105 118 140 149 177 210 236 295 298 354 413 420 447 590 596 708 745 826 885 894 1043 1180 1239 1490 1652 1770 1788 2065 2086 2235 2478 2980 3129 3540 4130 4172 4470 4956 5215 6195 6258 8260 8791 8940 10430 12390 12516 15645 17582 20860 22201 24780 26373 31290 35164 43955 44402 52746 61537 62580 66603 87910 88804 105492 111005 123074 131865 133206 155407 175820 184611 222010 246148 263730 266412 307685 310814 333015 369222 444020 466221 527460 615370 621628 666030 738444 777035 923055 932442 1230740 1309859 1332060 1554070 1846110 1864884 2331105 2619718 3108140 3692220 3929577 4662210 5239436 6549295 7859154 9169013 9324420 13098590 15718308 18338026 19647885 26197180 27507039 36676052 39295770 45845065 55014078 78591540 91690130 110028156 137535195 183380260 275070390 550140780