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385227760320 = 263251319541537
BaseRepresentation
bin1011001101100010101…
…11010010001011000000
31100211100011222211201200
411212301113102023000
522302421301312240
6452545435501200
736555205635564
oct5466127221300
91324304884650
10385227760320
11139413034057
12627abbb7800
132a433049010
14149063096a4
15a049ac3930
hex59b15d22c0

385227760320 has 336 divisors, whose sum is σ = 1502053119840. Its totient is φ = 89834323968.

The previous prime is 385227760243. The next prime is 385227760321. The reversal of 385227760320 is 23067722583.

385227760320 is a `hidden beast` number, since 3 + 8 + 52 + 277 + 6 + 0 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (385227760321) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 440592 + ... + 982128.

It is an arithmetic number, because the mean of its divisors is an integer number (4470396190).

Almost surely, 2385227760320 is an apocalyptic number.

385227760320 is a gapful number since it is divisible by the number (30) 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 385227760320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751026559920).

385227760320 is an abundant number, since it is smaller than the sum of its proper divisors (1116825359520).

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

385227760320 is a wasteful number, since it uses less digits than its factorization.

385227760320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541592 (or 541579 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 385227760320 in words is "three hundred eighty-five billion, two hundred twenty-seven million, seven hundred sixty thousand, three hundred twenty".