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428580480 = 2735223219
BaseRepresentation
bin11001100010111…
…001111010000000
31002212110010220010
4121202321322000
51334204033410
6110305544520
713422605526
oct3142717200
91085403803
10428580480
111aaa16949
12bb645140
136aa3a423
1440cc4316
152795bc20
hex198b9e80

428580480 has 64 divisors (see below), whose sum is σ = 1366106400. Its totient is φ = 114287616.

The previous prime is 428580461. The next prime is 428580491. The reversal of 428580480 is 84085824.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109690 + ... + 113529.

Almost surely, 2428580480 is an apocalyptic number.

428580480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

428580480 is an abundant number, since it is smaller than the sum of its proper divisors (937525920).

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

428580480 is a wasteful number, since it uses less digits than its factorization.

428580480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223241 (or 223229 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 428580480 is about 20702.1853918856. The cubic root of 428580480 is about 753.9527488818.

The spelling of 428580480 in words is "four hundred twenty-eight million, five hundred eighty thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 223219 446438 669657 892876 1116095 1339314 1785752 2232190 2678628 3348285 3571504 4464380 5357256 6696570 7143008 8928760 10714512 13393140 14286016 17857520 21429024 26786280 28572032 35715040 42858048 53572560 71430080 85716096 107145120 142860160 214290240 428580480