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1672805241 = 32185867249
BaseRepresentation
bin110001110110100…
…1111101101111001
311022120200022101200
41203231033231321
511411214231431
6433554004413
756311416132
oct14355175571
94276608350
101672805241
11789289378
123a8276709
132087473b3
1411c246c89
159bcd0ee6
hex63b4fb79

1672805241 has 6 divisors (see below), whose sum is σ = 2416274250. Its totient is φ = 1115203488.

The previous prime is 1672805213. The next prime is 1672805243. The reversal of 1672805241 is 1425082761.

It can be written as a sum of positive squares in only one way, i.e., 867891600 + 804913641 = 29460^2 + 28371^2 .

It is not a de Polignac number, because 1672805241 - 29 = 1672804729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1672805196 and 1672805205.

It is not an unprimeable number, because it can be changed into a prime (1672805243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92933616 + ... + 92933633.

It is an arithmetic number, because the mean of its divisors is an integer number (402712375).

Almost surely, 21672805241 is an apocalyptic number.

It is an amenable number.

1672805241 is a deficient number, since it is larger than the sum of its proper divisors (743469009).

1672805241 is a wasteful number, since it uses less digits than its factorization.

1672805241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185867255 (or 185867252 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1672805241 is about 40899.9418214745. The cubic root of 1672805241 is about 1187.0849349916.

The spelling of 1672805241 in words is "one billion, six hundred seventy-two million, eight hundred five thousand, two hundred forty-one".

Divisors: 1 3 9 185867249 557601747 1672805241