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330072305 = 5479371499
BaseRepresentation
bin10011101011001…
…000000011110001
3212000002102002012
4103223020003301
51133444303210
652430332305
711115365633
oct2353100361
9760072065
10330072305
1115a354232
129265a095
13534c9974
1431ba0a53
151de9e305
hex13ac80f1

330072305 has 16 divisors (see below), whose sum is σ = 405216000. Its totient is φ = 257991552.

The previous prime is 330072293. The next prime is 330072307. The reversal of 330072305 is 503270033.

It is a cyclic number.

It is not a de Polignac number, because 330072305 - 218 = 329810161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (330072307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219446 + ... + 220944.

It is an arithmetic number, because the mean of its divisors is an integer number (25326000).

Almost surely, 2330072305 is an apocalyptic number.

It is an amenable number.

330072305 is a deficient number, since it is larger than the sum of its proper divisors (75143695).

330072305 is a wasteful number, since it uses less digits than its factorization.

330072305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488.

The product of its (nonzero) digits is 1890, while the sum is 23.

The square root of 330072305 is about 18167.8921452105. The cubic root of 330072305 is about 691.0927898358.

The spelling of 330072305 in words is "three hundred thirty million, seventy-two thousand, three hundred five".

Divisors: 1 5 47 235 937 1499 4685 7495 44039 70453 220195 352265 1404563 7022815 66014461 330072305