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1683501684 = 223140291807
BaseRepresentation
bin110010001011000…
…0011001001110100
311100022210202011020
41210112003021310
511421434023214
6435015141140
756501346114
oct14426031164
94308722136
101683501684
11794324807
123ab9747b0
1320aa20c57
1411d82d044
159cbe54a9
hex64583274

1683501684 has 12 divisors (see below), whose sum is σ = 3928170624. Its totient is φ = 561167224.

The previous prime is 1683501679. The next prime is 1683501709. The reversal of 1683501684 is 4861053861.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 70145892 + ... + 70145915.

It is an arithmetic number, because the mean of its divisors is an integer number (327347552).

Almost surely, 21683501684 is an apocalyptic number.

It is an amenable number.

1683501684 is an abundant number, since it is smaller than the sum of its proper divisors (2244668940).

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

1683501684 is a wasteful number, since it uses less digits than its factorization.

1683501684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140291814 (or 140291812 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1683501684 is about 41030.4969991834. The cubic root of 1683501684 is about 1189.6097592901.

The spelling of 1683501684 in words is "one billion, six hundred eighty-three million, five hundred one thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 12 140291807 280583614 420875421 561167228 841750842 1683501684