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330990081 = 3632317449
BaseRepresentation
bin10011101110101…
…000001000000001
3212001211001000220
4103232220020001
51134213140311
652502133253
711126240442
oct2356501001
9761731026
10330990081
1115a920824
1292a21229
135375b626
1431d5d2c9
151e0d1206
hex13ba8201

330990081 has 8 divisors (see below), whose sum is σ = 441415200. Its totient is φ = 220612512.

The previous prime is 330990073. The next prime is 330990083. The reversal of 330990081 is 180099033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 330990081 - 23 = 330990073 is a prime.

It is a super-2 number, since 2×3309900812 = 219108867440773122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (330990083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10245 + ... + 27693.

It is an arithmetic number, because the mean of its divisors is an integer number (55176900).

Almost surely, 2330990081 is an apocalyptic number.

It is an amenable number.

330990081 is a deficient number, since it is larger than the sum of its proper divisors (110425119).

330990081 is a wasteful number, since it uses less digits than its factorization.

330990081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23775.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 330990081 is about 18193.1327978444. The cubic root of 330990081 is about 691.7327318583.

The spelling of 330990081 in words is "three hundred thirty million, nine hundred ninety thousand, eighty-one".

Divisors: 1 3 6323 17449 18969 52347 110330027 330990081