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328835072 = 213137293
BaseRepresentation
bin10011100110011…
…010000000000000
3211220202112220202
4103212122000000
51133140210242
652344024332
711102023556
oct2346320000
9756675822
10328835072
11159689725
12921620a8
1353185787
143195bbd6
151dd07932
hex1399a000

328835072 has 56 divisors (see below), whose sum is σ = 664691076. Its totient is φ = 162660352.

The previous prime is 328835057. The next prime is 328835083. The reversal of 328835072 is 270538823.

It can be written as a sum of positive squares in 2 ways, for example, as 296390656 + 32444416 = 17216^2 + 5696^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122158 + ... + 1122450.

Almost surely, 2328835072 is an apocalyptic number.

328835072 is a gapful number since it is divisible by the number (32) 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 328835072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332345538).

328835072 is an abundant number, since it is smaller than the sum of its proper divisors (335856004).

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

328835072 is an equidigital number, since it uses as much as digits as its factorization.

328835072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 328835072 is about 18133.8101898084. The cubic root of 328835072 is about 690.2282182840.

The spelling of 328835072 in words is "three hundred twenty-eight million, eight hundred thirty-five thousand, seventy-two".

Divisors: 1 2 4 8 16 32 64 128 137 256 274 293 512 548 586 1024 1096 1172 2048 2192 2344 4096 4384 4688 8192 8768 9376 17536 18752 35072 37504 40141 70144 75008 80282 140288 150016 160564 280576 300032 321128 561152 600064 642256 1122304 1200128 1284512 2400256 2569024 5138048 10276096 20552192 41104384 82208768 164417536 328835072