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1680408248 = 231729538039
BaseRepresentation
bin110010000101000…
…1111111010111000
311100002222120202112
41210022033322320
511420141030443
6434424551452
756433143261
oct14412177270
94302876675
101680408248
11792601652
123aa922588
1320a1a9c0c
1411d265968
159c7d3b18
hex6428feb8

1680408248 has 64 divisors (see below), whose sum is σ = 3516696000. Its totient is φ = 749012992.

The previous prime is 1680408217. The next prime is 1680408251. The reversal of 1680408248 is 8428040861.

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, 205013 + ... + 213051.

It is an arithmetic number, because the mean of its divisors is an integer number (54948375).

Almost surely, 21680408248 is an apocalyptic number.

It is an amenable number.

1680408248 is an abundant number, since it is smaller than the sum of its proper divisors (1836287752).

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

1680408248 is a wasteful number, since it uses less digits than its factorization.

1680408248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8144 (or 8140 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 41.

The square root of 1680408248 is about 40992.7828769895. The cubic root of 1680408248 is about 1188.8806761764.

The spelling of 1680408248 in words is "one billion, six hundred eighty million, four hundred eight thousand, two hundred forty-eight".

Divisors: 1 2 4 8 17 29 34 53 58 68 106 116 136 212 232 424 493 901 986 1537 1802 1972 3074 3604 3944 6148 7208 8039 12296 16078 26129 32156 52258 64312 104516 136663 209032 233131 273326 426067 466262 546652 852134 932524 1093304 1704268 1865048 3408536 3963227 7243139 7926454 12355943 14486278 15852908 24711886 28972556 31705816 49423772 57945112 98847544 210051031 420102062 840204124 1680408248