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328088280 = 233513436773
BaseRepresentation
bin10011100011100…
…011101011011000
3211212100121111210
4103203203223120
51132442311110
652320023120
711062463412
oct2343435330
9755317453
10328088280
11159219643
1291a61aa0
1352c838a0
14318059b2
151dc0b520
hex138e3ad8

328088280 has 256 divisors, whose sum is σ = 1115896320. Its totient is φ = 76640256.

The previous prime is 328088279. The next prime is 328088297. The reversal of 328088280 is 82880823.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 4494324 + ... + 4494396.

It is an arithmetic number, because the mean of its divisors is an integer number (4358970).

Almost surely, 2328088280 is an apocalyptic number.

328088280 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 328088280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557948160).

328088280 is an abundant number, since it is smaller than the sum of its proper divisors (787808040).

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

328088280 is a wasteful number, since it uses less digits than its factorization.

328088280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 328088280 is about 18113.2073360849. The cubic root of 328088280 is about 689.7053141969.

The spelling of 328088280 in words is "three hundred twenty-eight million, eighty-eight thousand, two hundred eighty".