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551041980 = 223583110651
BaseRepresentation
bin100000110110000…
…011101110111100
31102101212211111020
4200312003232330
52112031320410
6130402424140
716440531246
oct4066035674
91371784436
10551041980
11263059aa5
12134662050
138a216858
1453281096
153359ba70
hex20d83bbc

551041980 has 48 divisors (see below), whose sum is σ = 1561521024. Its totient is φ = 145172800.

The previous prime is 551041949. The next prime is 551041991. The reversal of 551041980 is 89140155.

551041980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50346 + ... + 60305.

It is an arithmetic number, because the mean of its divisors is an integer number (32531688).

Almost surely, 2551041980 is an apocalyptic number.

It is an amenable number.

551041980 is an abundant number, since it is smaller than the sum of its proper divisors (1010479044).

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

551041980 is a wasteful number, since it uses less digits than its factorization.

551041980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110746 (or 110744 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 551041980 is about 23474.2833756432. The cubic root of 551041980 is about 819.8383480672.

The spelling of 551041980 in words is "five hundred fifty-one million, forty-one thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 83 166 249 332 415 498 830 996 1245 1660 2490 4980 110651 221302 331953 442604 553255 663906 1106510 1327812 1659765 2213020 3319530 6639060 9184033 18368066 27552099 36736132 45920165 55104198 91840330 110208396 137760495 183680660 275520990 551041980