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328120740 = 2233517311153
BaseRepresentation
bin10011100011101…
…011100110100100
3211212102021001000
4103203223212210
51132444330430
652320433300
711062660143
oct2343534644
9755367030
10328120740
11159240a72
1291a78830
1352c955ac
143181375a
151dc15e60
hex138eb9a4

328120740 has 192 divisors, whose sum is σ = 1116702720. Its totient is φ = 79626240.

The previous prime is 328120739. The next prime is 328120753. The reversal of 328120740 is 47021823.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 284004 + ... + 285156.

It is an arithmetic number, because the mean of its divisors is an integer number (5816160).

Almost surely, 2328120740 is an apocalyptic number.

328120740 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 328120740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558351360).

328120740 is an abundant number, since it is smaller than the sum of its proper divisors (788581980).

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

328120740 is a wasteful number, since it uses less digits than its factorization.

328120740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 328120740 is about 18114.1033451838. The cubic root of 328120740 is about 689.7280591892.

The spelling of 328120740 in words is "three hundred twenty-eight million, one hundred twenty thousand, seven hundred forty".