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2997985628 = 2211432815639
BaseRepresentation
bin1011001010110001…
…1010000101011100
321201221020110010202
42302230122011130
522114441020003
61213253123032
7134202312611
oct26254320534
97657213122
102997985628
1112a9314a80
126b8029478
1338a15a6c1
14206240508
151282e7088
hexb2b1a15c

2997985628 has 48 divisors (see below), whose sum is σ = 5878414080. Its totient is φ = 1326057600.

The previous prime is 2997985589. The next prime is 2997985631. The reversal of 2997985628 is 8265897992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528833 + ... + 534471.

It is an arithmetic number, because the mean of its divisors is an integer number (122466960).

Almost surely, 22997985628 is an apocalyptic number.

It is an amenable number.

2997985628 is a deficient number, since it is larger than the sum of its proper divisors (2880428452).

2997985628 is a wasteful number, since it uses less digits than its factorization.

2997985628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978 (or 5976 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 65.

The square root of 2997985628 is about 54753.8640462936. The cubic root of 2997985628 is about 1441.9266950141.

The spelling of 2997985628 in words is "two billion, nine hundred ninety-seven million, nine hundred eighty-five thousand, six hundred twenty-eight".

Divisors: 1 2 4 11 22 43 44 86 172 281 473 562 946 1124 1892 3091 5639 6182 11278 12083 12364 22556 24166 48332 62029 124058 132913 242477 248116 265826 484954 531652 969908 1584559 2667247 3169118 5334494 6338236 10668988 17430149 34860298 68136037 69720596 136272074 272544148 749496407 1498992814 2997985628