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393252330240 = 28345721131227
BaseRepresentation
bin1011011100011111010…
…10100101101100000000
31101121001102122020020000
411232033222211230000
522420340044031430
6500354014120000
740261105440300
oct5561752455400
91347042566200
10393252330240
11141860763220
126426b4b0000
132b1116b2643
1415067d6b600
15a369323e60
hex5b8faa5b00

393252330240 has 2160 divisors, whose sum is σ = 1851392277504. Its totient is φ = 78730444800.

The previous prime is 393252330199. The next prime is 393252330257. The reversal of 393252330240 is 42033252393.

393252330240 is a `hidden beast` number, since 3 + 9 + 32 + 52 + 330 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (2160).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 393252330195 and 393252330204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1732389007 + ... + 1732389233.

Almost surely, 2393252330240 is an apocalyptic number.

393252330240 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 393252330240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (925696138752).

393252330240 is an abundant number, since it is smaller than the sum of its proper divisors (1458139947264).

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

393252330240 is a wasteful number, since it uses less digits than its factorization.

393252330240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

The spelling of 393252330240 in words is "three hundred ninety-three billion, two hundred fifty-two million, three hundred thirty thousand, two hundred forty".