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430223040 = 263251311491
BaseRepresentation
bin11001101001001…
…010111011000000
31002222112121001200
4121221022323000
51340114114130
6110405101200
713442556402
oct3151127300
91088477050
10430223040
11200938a35
121000b7800
136b193c60
14411d0b72
1527b83760
hex19a4aec0

430223040 has 168 divisors, whose sum is σ = 1593756528. Its totient is φ = 105891840.

The previous prime is 430223039. The next prime is 430223051. The reversal of 430223040 is 40322034.

430223040 is a `hidden beast` number, since 430 + 2 + 230 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 31695 + ... + 43185.

It is an arithmetic number, because the mean of its divisors is an integer number (9486646).

Almost surely, 2430223040 is an apocalyptic number.

430223040 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 430223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796878264).

430223040 is an abundant number, since it is smaller than the sum of its proper divisors (1163533488).

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

430223040 is a wasteful number, since it uses less digits than its factorization.

430223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11527 (or 11514 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 430223040 is about 20741.8186280760. The cubic root of 430223040 is about 754.9147104801.

Adding to 430223040 its reverse (40322034), we get a palindrome (470545074).

The spelling of 430223040 in words is "four hundred thirty million, two hundred twenty-three thousand, forty".