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1330329 = 371113443
BaseRepresentation
bin101000100110010011001
32111120212110
411010302121
5320032304
644302533
714210340
oct5046231
92446773
101330329
11829550
12541a49
133776a0
14268b57
151b4289
hex144c99

1330329 has 32 divisors (see below), whose sum is σ = 2386944. Its totient is φ = 636480.

The previous prime is 1330321. The next prime is 1330337. The reversal of 1330329 is 9230331.

It is an interprime number because it is at equal distance from previous prime (1330321) and next prime (1330337).

It is not a de Polignac number, because 1330329 - 23 = 1330321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

1330329 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1330321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2782 + ... + 3224.

It is an arithmetic number, because the mean of its divisors is an integer number (74592).

21330329 is an apocalyptic number.

It is an amenable number.

1330329 is a deficient number, since it is larger than the sum of its proper divisors (1056615).

1330329 is a wasteful number, since it uses less digits than its factorization.

1330329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 1330329 is about 1153.3988902370. The cubic root of 1330329 is about 109.9815120444.

The spelling of 1330329 in words is "one million, three hundred thirty thousand, three hundred twenty-nine".

Divisors: 1 3 7 11 13 21 33 39 77 91 143 231 273 429 443 1001 1329 3003 3101 4873 5759 9303 14619 17277 34111 40313 63349 102333 120939 190047 443443 1330329