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1680284692 = 2217316711897
BaseRepresentation
bin110010000100111…
…0001110000010100
311100002202022021101
41210021301300110
511420123102232
6434422155444
756432120122
oct14411616024
94302668241
101680284692
11792527839
123aa882b84
1320a1658c8
1411d232912
159c7ac1e7
hex64271c14

1680284692 has 48 divisors (see below), whose sum is σ = 3262146048. Its totient is φ = 753730560.

The previous prime is 1680284689. The next prime is 1680284701. The reversal of 1680284692 is 2964820861.

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, 135288 + ... + 147184.

It is an arithmetic number, because the mean of its divisors is an integer number (67961376).

Almost surely, 21680284692 is an apocalyptic number.

It is an amenable number.

1680284692 is a deficient number, since it is larger than the sum of its proper divisors (1581861356).

1680284692 is a wasteful number, since it uses less digits than its factorization.

1680284692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12016 (or 12014 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 1680284692 is about 40991.2758035170. The cubic root of 1680284692 is about 1188.8515370388.

The spelling of 1680284692 in words is "one billion, six hundred eighty million, two hundred eighty-four thousand, six hundred ninety-two".

Divisors: 1 2 4 17 31 34 62 67 68 124 134 268 527 1054 1139 2077 2108 2278 4154 4556 8308 11897 23794 35309 47588 70618 141236 202249 368807 404498 737614 797099 808996 1475228 1594198 3188396 6269719 12539438 13550683 24710069 25078876 27101366 49420138 54202732 98840276 420071173 840142346 1680284692