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1331593082 = 22213300857
BaseRepresentation
bin100111101011110…
…0111111101111010
310102210121221022022
41033113213331322
510211341434312
6340044354442
744666232401
oct11727477572
93383557268
101331593082
11623716656
12311b45a22
13182b4a101
14c8bc6638
157bd81172
hex4f5e7f7a

1331593082 has 8 divisors (see below), whose sum is σ = 1998298836. Its totient is φ = 665493472.

The previous prime is 1331593079. The next prime is 1331593117. The reversal of 1331593082 is 2803951331.

It is a happy number.

It is a Cunningham number, because it is equal to 364912+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1331593081 + 1 = 36491^2 + 1^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146003 + ... + 154854.

Almost surely, 21331593082 is an apocalyptic number.

1331593082 is a deficient number, since it is larger than the sum of its proper divisors (666705754).

1331593082 is a wasteful number, since it uses less digits than its factorization.

1331593082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303072.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1331593082 is about 36491.0000137020. Note that the first 4 decimals coincide. The cubic root of 1331593082 is about 1100.1633592097.

The spelling of 1331593082 in words is "one billion, three hundred thirty-one million, five hundred ninety-three thousand, eighty-two".

Divisors: 1 2 2213 4426 300857 601714 665796541 1331593082