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428710212 = 22337371163
BaseRepresentation
bin11001100011011…
…001100101000100
31002212200201212000
4121203121211010
51334222211322
6110312425300
713423656000
oct3143314504
91085621760
10428710212
111aaaa5367
12bb6a8230
136aa844a8
1440d19700
15279853ac
hex198d9944

428710212 has 192 divisors, whose sum is σ = 1322496000. Its totient is φ = 120022560.

The previous prime is 428710201. The next prime is 428710229. The reversal of 428710212 is 212017824.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 2630043 + ... + 2630205.

It is an arithmetic number, because the mean of its divisors is an integer number (6888000).

Almost surely, 2428710212 is an apocalyptic number.

428710212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428710212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661248000).

428710212 is an abundant number, since it is smaller than the sum of its proper divisors (893785788).

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

428710212 is a wasteful number, since it uses less digits than its factorization.

428710212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 428710212 is about 20705.3184472010. The cubic root of 428710212 is about 754.0288154433.

The spelling of 428710212 in words is "four hundred twenty-eight million, seven hundred ten thousand, two hundred twelve".