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550580990 = 25333116529
BaseRepresentation
bin100000110100010…
…011001011111110
31102101000102010112
4200310103023332
52111422042430
6130344510022
716433601251
oct4064231376
91371012115
10550580990
11262874713
1213447b312
138a0b4a8b
14531a1098
153350a195
hex20d132fe

550580990 has 16 divisors (see below), whose sum is σ = 991403280. Its totient is φ = 220152960.

The previous prime is 550580971. The next prime is 550580999. The reversal of 550580990 is 99085055.

It is a happy number.

550580990 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 not an unprimeable number, because it can be changed into a prime (550580999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25046 + ... + 41574.

It is an arithmetic number, because the mean of its divisors is an integer number (61962705).

Almost surely, 2550580990 is an apocalyptic number.

550580990 is a deficient number, since it is larger than the sum of its proper divisors (440822290).

550580990 is a wasteful number, since it uses less digits than its factorization.

550580990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19867.

The product of its (nonzero) digits is 81000, while the sum is 41.

The square root of 550580990 is about 23464.4622780919. The cubic root of 550580990 is about 819.6096645099.

The spelling of 550580990 in words is "five hundred fifty million, five hundred eighty thousand, nine hundred ninety".

Divisors: 1 2 5 10 3331 6662 16529 16655 33058 33310 82645 165290 55058099 110116198 275290495 550580990