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1330230340 = 22566511517
BaseRepresentation
bin100111101001001…
…1011010001000100
310102201001200222101
41033102123101010
510211014332330
6335555241444
744651525365
oct11722332104
93381050871
101330230340
1162297581a
123115a9284
13182790a5a
14c894db6c
157bbb24ca
hex4f49b444

1330230340 has 12 divisors (see below), whose sum is σ = 2793483756. Its totient is φ = 532092128.

The previous prime is 1330230289. The next prime is 1330230347. The reversal of 1330230340 is 430320331.

It can be written as a sum of positive squares in 2 ways, for example, as 357663744 + 972566596 = 18912^2 + 31186^2 .

It is not an unprimeable number, because it can be changed into a prime (1330230347) 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, 33255739 + ... + 33255778.

It is an arithmetic number, because the mean of its divisors is an integer number (232790313).

Almost surely, 21330230340 is an apocalyptic number.

1330230340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330230340 is an abundant number, since it is smaller than the sum of its proper divisors (1463253416).

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

1330230340 is a wasteful number, since it uses less digits than its factorization.

1330230340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66511526 (or 66511524 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1330230340 is about 36472.3229312310. The cubic root of 1330230340 is about 1099.7879315699.

Adding to 1330230340 its reverse (430320331), we get a palindrome (1760550671).

The spelling of 1330230340 in words is "one billion, three hundred thirty million, two hundred thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 66511517 133023034 266046068 332557585 665115170 1330230340