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1683274045 = 5397847997
BaseRepresentation
bin110010001010100…
…1011100100111101
311100022101011220011
41210111023210331
511421404232140
6435010223221
756466410335
oct14425134475
94308334804
101683274045
11794189782
123ab884b11
1320a97145b
1411d7b00c5
159cb9ccea
hex6454b93d

1683274045 has 8 divisors (see below), whose sum is σ = 2025019224. Its totient is φ = 1343225664.

The previous prime is 1683274039. The next prime is 1683274063. The reversal of 1683274045 is 5404723861.

It can be written as a sum of positive squares in 4 ways, for example, as 423166041 + 1260108004 = 20571^2 + 35498^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1683274045 - 23 = 1683274037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1683273989 and 1683274007.

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, 422014 + ... + 425983.

It is an arithmetic number, because the mean of its divisors is an integer number (253127403).

Almost surely, 21683274045 is an apocalyptic number.

It is an amenable number.

1683274045 is a deficient number, since it is larger than the sum of its proper divisors (341745179).

1683274045 is an equidigital number, since it uses as much as digits as its factorization.

1683274045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848399.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 1683274045 is about 41027.7228834358. The cubic root of 1683274045 is about 1189.5561381611.

The spelling of 1683274045 in words is "one billion, six hundred eighty-three million, two hundred seventy-four thousand, forty-five".

Divisors: 1 5 397 1985 847997 4239985 336654809 1683274045