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1668333304 = 231119997807
BaseRepresentation
bin110001101110000…
…1011111011111000
311022021021010001101
41203130023323320
511404043131204
6433314101144
756225412331
oct14334137370
94267233041
101668333304
11786804560
123a687a7b4
1320783ca91
1411b801288
159b6eaea4
hex6370bef8

1668333304 has 32 divisors (see below), whose sum is σ = 3592108800. Its totient is φ = 718420320.

The previous prime is 1668333287. The next prime is 1668333343. The reversal of 1668333304 is 4033338661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497232 + ... + 500575.

It is an arithmetic number, because the mean of its divisors is an integer number (112253400).

Almost surely, 21668333304 is an apocalyptic number.

It is an amenable number.

1668333304 is an abundant number, since it is smaller than the sum of its proper divisors (1923775496).

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

1668333304 is a wasteful number, since it uses less digits than its factorization.

1668333304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997843 (or 997839 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 1668333304 is about 40845.2360012768. The cubic root of 1668333304 is about 1186.0261732491.

The spelling of 1668333304 in words is "one billion, six hundred sixty-eight million, three hundred thirty-three thousand, three hundred four".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 209 418 836 1672 997807 1995614 3991228 7982456 10975877 18958333 21951754 37916666 43903508 75833332 87807016 151666664 208541663 417083326 834166652 1668333304