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330144320 = 26511711321
BaseRepresentation
bin10011101011011…
…001101001000000
3212000020001212102
4103223121221000
51134004104240
652432045532
711116115612
oct2353315100
9760201772
10330144320
1115a3a3350
12926938a8
135352368c
1431bbcdb2
151deb5815
hex13ad9a40

330144320 has 112 divisors (see below), whose sum is σ = 870362496. Its totient is φ = 118272000.

The previous prime is 330144319. The next prime is 330144329. The reversal of 330144320 is 23441033.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 330144292 and 330144301.

It is not an unprimeable number, because it can be changed into a prime (330144329) 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, 249260 + ... + 250580.

Almost surely, 2330144320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 330144320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435181248).

330144320 is an abundant number, since it is smaller than the sum of its proper divisors (540218176).

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

330144320 is a wasteful number, since it uses less digits than its factorization.

330144320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1410 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 330144320 is about 18169.8739676422. The cubic root of 330144320 is about 691.1430469334.

Adding to 330144320 its reverse (23441033), we get a palindrome (353585353).

The spelling of 330144320 in words is "three hundred thirty million, one hundred forty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 71 80 88 110 142 160 176 220 284 320 352 355 440 568 704 710 781 880 1136 1321 1420 1562 1760 2272 2642 2840 3124 3520 3905 4544 5284 5680 6248 6605 7810 10568 11360 12496 13210 14531 15620 21136 22720 24992 26420 29062 31240 42272 49984 52840 58124 62480 72655 84544 93791 105680 116248 124960 145310 187582 211360 232496 249920 290620 375164 422720 464992 468955 581240 750328 929984 937910 1031701 1162480 1500656 1875820 2063402 2324960 3001312 3751640 4126804 4649920 5158505 6002624 7503280 8253608 10317010 15006560 16507216 20634020 30013120 33014432 41268040 66028864 82536080 165072160 330144320