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1330302140 = 225127523741
BaseRepresentation
bin100111101001010…
…1100110010111100
310102201012100110122
41033102230302330
510211024132030
6340000554112
744652244616
oct11722546274
93381170418
101330302140
11622a14762
12311622938
131827b763b
14c896bdb6
157bbc88e5
hex4f4accbc

1330302140 has 24 divisors (see below), whose sum is σ = 2815636992. Its totient is φ = 527929920.

The previous prime is 1330302133. The next prime is 1330302151. The reversal of 1330302140 is 412030331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259331 + ... + 264410.

It is an arithmetic number, because the mean of its divisors is an integer number (117318208).

Almost surely, 21330302140 is an apocalyptic number.

1330302140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330302140 is an abundant number, since it is smaller than the sum of its proper divisors (1485334852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1330302140 is a wasteful number, since it uses less digits than its factorization.

1330302140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523877 (or 523875 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1330302140 is about 36473.3072259701. The cubic root of 1330302140 is about 1099.8077184570.

Adding to 1330302140 its reverse (412030331), we get a palindrome (1742332471).

Subtracting from 1330302140 its reverse (412030331), we obtain a square (918271809 = 303032).

The spelling of 1330302140 in words is "one billion, three hundred thirty million, three hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 523741 1047482 2094964 2618705 5237410 10474820 66515107 133030214 266060428 332575535 665151070 1330302140