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1660245033 = 32659208129
BaseRepresentation
bin110001011110101…
…0101010000101001
311021201001012000210
41202331111100221
511400010320113
6432424451333
756066564346
oct14275252051
94251035023
101660245033
1178218a737
123a4019b49
13205c6a415
1411a6d77cd
159ab4e6c3
hex62f55429

1660245033 has 8 divisors (see below), whose sum is σ = 2214503200. Its totient is φ = 1106408448.

The previous prime is 1660245011. The next prime is 1660245053. The reversal of 1660245033 is 3305420661.

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

It is not a de Polignac number, because 1660245033 - 212 = 1660240937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1660245053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96088 + ... + 112041.

It is an arithmetic number, because the mean of its divisors is an integer number (276812900).

Almost surely, 21660245033 is an apocalyptic number.

It is an amenable number.

1660245033 is a deficient number, since it is larger than the sum of its proper divisors (554258167).

1660245033 is a wasteful number, since it uses less digits than its factorization.

1660245033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210791.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1660245033 is about 40746.1045131924. The cubic root of 1660245033 is about 1184.1064038874.

Adding to 1660245033 its reverse (3305420661), we get a palindrome (4965665694).

The spelling of 1660245033 in words is "one billion, six hundred sixty million, two hundred forty-five thousand, thirty-three".

Divisors: 1 3 2659 7977 208129 624387 553415011 1660245033