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1683736097 = 3745506381
BaseRepresentation
bin110010001011011…
…1100011000100001
311100100020122201012
41210112330120201
511422014023342
6435024150305
756503343411
oct14426743041
94310218635
101683736097
1179447493a
123aba68395
1320aaa3864
1411d890641
159cc3eb82
hex645bc621

1683736097 has 4 divisors (see below), whose sum is σ = 1729242516. Its totient is φ = 1638229680.

The previous prime is 1683736073. The next prime is 1683736099. The reversal of 1683736097 is 7906373861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7906373861 = 42979183959.

It can be written as a sum of positive squares in 2 ways, for example, as 783496081 + 900240016 = 27991^2 + 30004^2 .

It is a cyclic number.

It is not a de Polignac number, because 1683736097 - 210 = 1683735073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1683736099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22753154 + ... + 22753227.

It is an arithmetic number, because the mean of its divisors is an integer number (432310629).

Almost surely, 21683736097 is an apocalyptic number.

It is an amenable number.

1683736097 is a deficient number, since it is larger than the sum of its proper divisors (45506419).

1683736097 is an equidigital number, since it uses as much as digits as its factorization.

1683736097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45506418.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 1683736097 is about 41033.3534700736. The cubic root of 1683736097 is about 1189.6649710060.

The spelling of 1683736097 in words is "one billion, six hundred eighty-three million, seven hundred thirty-six thousand, ninety-seven".

Divisors: 1 37 45506381 1683736097