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4540030320 = 243573131421
BaseRepresentation
bin1000011101001101…
…10101110101110000
3102201101212102210010
410032212311311300
533244221432240
62030300334520
7220335423000
oct41646656560
912641772703
104540030320
111a1a801a81
12a68544440
13574781097
14310d6a000
151b8899280
hex10e9b5d70

4540030320 has 320 divisors, whose sum is σ = 16577510400. Its totient is φ = 1027353600.

The previous prime is 4540030307. The next prime is 4540030331. The reversal of 4540030320 is 230300454.

It is a happy number.

It is a super-2 number, since 2×45400303202 = 41223750613038604800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10783710 + ... + 10784130.

It is an arithmetic number, because the mean of its divisors is an integer number (51804720).

Almost surely, 24540030320 is an apocalyptic number.

4540030320 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 4540030320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8288755200).

4540030320 is an abundant number, since it is smaller than the sum of its proper divisors (12037480080).

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

4540030320 is a wasteful number, since it uses less digits than its factorization.

4540030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 4540030320 is about 67379.7471054916. The cubic root of 4540030320 is about 1655.8446317397.

Adding to 4540030320 its reverse (230300454), we get a palindrome (4770330774).

The spelling of 4540030320 in words is "four billion, five hundred forty million, thirty thousand, three hundred twenty".