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289065006 = 23241439109
BaseRepresentation
bin10001001110101…
…100100000101110
3202010221000122100
4101032230200232
51043000040011
644403355530
710110004056
oct2116544056
9663830570
10289065006
111391958aa
1280982ba6
1347b6c7a9
142a568566
151a59dd56
hex113ac82e

289065006 has 48 divisors (see below), whose sum is σ = 656575920. Its totient is φ = 91808640.

The previous prime is 289064999. The next prime is 289065019. The reversal of 289065006 is 600560982.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 27180 + ... + 36288.

It is an arithmetic number, because the mean of its divisors is an integer number (13678665).

Almost surely, 2289065006 is an apocalyptic number.

289065006 is an abundant number, since it is smaller than the sum of its proper divisors (367510914).

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

289065006 is a wasteful number, since it uses less digits than its factorization.

289065006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9201 (or 9198 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 289065006 is about 17001.9118336733. The cubic root of 289065006 is about 661.1984698083.

It can be divided in two parts, 2890 and 65006, that added together give a triangular number (67896 = T368).

The spelling of 289065006 in words is "two hundred eighty-nine million, sixty-five thousand, six".

Divisors: 1 2 3 6 9 18 41 43 82 86 123 129 246 258 369 387 738 774 1763 3526 5289 9109 10578 15867 18218 27327 31734 54654 81981 163962 373469 391687 746938 783374 1120407 1175061 2240814 2350122 3361221 3525183 6722442 7050366 16059167 32118334 48177501 96355002 144532503 289065006