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426730320 = 24325592681
BaseRepresentation
bin11001011011110…
…110001101010000
31002201222010221200
4121123312031100
51333220332240
6110202151200
713401101502
oct3133661520
91081863850
10426730320
111a9972895
12baab2500
136a540263
1440961d72
15276e3930
hex196f6350

426730320 has 60 divisors (see below), whose sum is σ = 1433105076. Its totient is φ = 113794560.

The previous prime is 426730309. The next prime is 426730391. The reversal of 426730320 is 23037624.

It can be written as a sum of positive squares in 2 ways, for example, as 179989056 + 246741264 = 13416^2 + 15708^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295621 + ... + 297060.

Almost surely, 2426730320 is an apocalyptic number.

426730320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426730320 is an abundant number, since it is smaller than the sum of its proper divisors (1006374756).

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

426730320 is a wasteful number, since it uses less digits than its factorization.

426730320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592700 (or 592691 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 426730320 is about 20657.4519241846. The cubic root of 426730320 is about 752.8662587933.

Adding to 426730320 its reverse (23037624), we get a palindrome (449767944).

The spelling of 426730320 in words is "four hundred twenty-six million, seven hundred thirty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 592681 1185362 1778043 2370724 2963405 3556086 4741448 5334129 5926810 7112172 8890215 9482896 10668258 11853620 14224344 17780430 21336516 23707240 26670645 28448688 35560860 42673032 47414480 53341290 71121720 85346064 106682580 142243440 213365160 426730320