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329218930 = 25412712963
BaseRepresentation
bin10011100111110…
…111101101110010
3211221111001110201
4103213313231302
51133240001210
652400145414
711105212645
oct2347675562
9757431421
10329218930
11159921067
129230826a
135328b401
1431a1ba5c
151dd8153a
hex139f7b72

329218930 has 32 divisors (see below), whose sum is σ = 609493248. Its totient is φ = 127958400.

The previous prime is 329218867. The next prime is 329218961. The reversal of 329218930 is 39812923.

It is a self number, because there is not a number n which added to its sum of digits gives 329218930.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109629 + ... + 112591.

It is an arithmetic number, because the mean of its divisors is an integer number (19046664).

Almost surely, 2329218930 is an apocalyptic number.

329218930 is the 14815-th pentagonal number.

329218930 is a deficient number, since it is larger than the sum of its proper divisors (280274318).

329218930 is a wasteful number, since it uses less digits than its factorization.

329218930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 329218930 is about 18144.3911443730. The cubic root of 329218930 is about 690.4966878184.

It can be divided in two parts, 3292 and 18930, that added together give a palindrome (22222).

The spelling of 329218930 in words is "three hundred twenty-nine million, two hundred eighteen thousand, nine hundred thirty".

Divisors: 1 2 5 10 41 82 205 271 410 542 1355 2710 2963 5926 11111 14815 22222 29630 55555 111110 121483 242966 607415 802973 1214830 1605946 4014865 8029730 32921893 65843786 164609465 329218930