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428550876 = 223213270439
BaseRepresentation
bin11001100010110…
…010101011011100
31002212101122021200
4121202302223130
51334202112001
6110305155500
713422423315
oct3142625334
91085348250
10428550876
111aa9a6686
12bb62bb90
136aa29b00
1440cb760c
1527953086
hex198b2adc

428550876 has 54 divisors (see below), whose sum is σ = 1173037320. Its totient is φ = 131859936.

The previous prime is 428550869. The next prime is 428550887. The reversal of 428550876 is 678055824.

428550876 is a `hidden beast` number, since 4 + 28 + 550 + 8 + 76 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29136 + ... + 41303.

Almost surely, 2428550876 is an apocalyptic number.

It is an amenable number.

428550876 is an abundant number, since it is smaller than the sum of its proper divisors (744486444).

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

428550876 is a wasteful number, since it uses less digits than its factorization.

428550876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70475 (or 70457 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 428550876 is about 20701.4703825598. The cubic root of 428550876 is about 753.9353888353.

The spelling of 428550876 in words is "four hundred twenty-eight million, five hundred fifty thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 169 234 338 468 507 676 1014 1521 2028 3042 6084 70439 140878 211317 281756 422634 633951 845268 915707 1267902 1831414 2535804 2747121 3662828 5494242 8241363 10988484 11904191 16482726 23808382 32965452 35712573 47616764 71425146 107137719 142850292 214275438 428550876