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426425280 = 26351722953
BaseRepresentation
bin11001011010101…
…011101111000000
31002201101122111220
4121122223233000
51333131102110
6110151435040
713365361251
oct3132535700
91081348456
10426425280
111a9784696
12ba985a80
136a464468
14408c2b28
1527683370
hex196abbc0

426425280 has 336 divisors, whose sum is σ = 1515892320. Its totient is φ = 101384192.

The previous prime is 426425261. The next prime is 426425291. The reversal of 426425280 is 82524624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8045734 + ... + 8045786.

Almost surely, 2426425280 is an apocalyptic number.

426425280 is a gapful number since it is divisible by the number (40) 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 426425280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757946160).

426425280 is an abundant number, since it is smaller than the sum of its proper divisors (1089467040).

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

426425280 is a wasteful number, since it uses less digits than its factorization.

426425280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 426425280 is about 20650.0673122390. The cubic root of 426425280 is about 752.6868253542.

The spelling of 426425280 in words is "four hundred twenty-six million, four hundred twenty-five thousand, two hundred eighty".