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330306081 = 3715728861
BaseRepresentation
bin10011101100000…
…001001000100001
3212000112021202120
4103230001020201
51134024243311
652435334453
711120361330
oct2354011041
9760467676
10330306081
1115a4a3936
1292751429
135357c1b1
1431c21d17
151dee8706
hex13b01221

330306081 has 8 divisors (see below), whose sum is σ = 503323584. Its totient is φ = 188746320.

The previous prime is 330306071. The next prime is 330306101. The reversal of 330306081 is 180603033.

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

It is not a de Polignac number, because 330306081 - 27 = 330305953 is a prime.

It is a super-2 number, since 2×3303060812 = 218204214291157122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (330306001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7864410 + ... + 7864451.

It is an arithmetic number, because the mean of its divisors is an integer number (62915448).

Almost surely, 2330306081 is an apocalyptic number.

It is an amenable number.

330306081 is a deficient number, since it is larger than the sum of its proper divisors (173017503).

330306081 is a wasteful number, since it uses less digits than its factorization.

330306081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15728871.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 330306081 is about 18174.3247742523. The cubic root of 330306081 is about 691.2559084196.

The spelling of 330306081 in words is "three hundred thirty million, three hundred six thousand, eighty-one".

Divisors: 1 3 7 21 15728861 47186583 110102027 330306081