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1330025320 = 235132557741
BaseRepresentation
bin100111101000110…
…1001001101101000
310102200200021202001
41033101221031220
510210441302240
6335551020344
744650012561
oct11721511550
93380607661
101330025320
11622845788
1231150a6b4
1318271b640
14c88d9168
157bb7189a
hex4f469368

1330025320 has 32 divisors (see below), whose sum is σ = 3222754920. Its totient is φ = 491086080.

The previous prime is 1330025309. The next prime is 1330025341. The reversal of 1330025320 is 235200331.

It can be written as a sum of positive squares in 4 ways, for example, as 649128484 + 680896836 = 25478^2 + 26094^2 .

It is a super-2 number, since 2×13300253202 = 3537934703682204800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278351 + ... + 1279390.

Almost surely, 21330025320 is an apocalyptic number.

1330025320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330025320 is an abundant number, since it is smaller than the sum of its proper divisors (1892729600).

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

1330025320 is a wasteful number, since it uses less digits than its factorization.

1330025320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557765 (or 2557761 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 1330025320 is about 36469.5121985474. The cubic root of 1330025320 is about 1099.7314275445.

Adding to 1330025320 its reverse (235200331), we get a palindrome (1565225651).

The spelling of 1330025320 in words is "one billion, three hundred thirty million, twenty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 2557741 5115482 10230964 12788705 20461928 25577410 33250633 51154820 66501266 102309640 133002532 166253165 266005064 332506330 665012660 1330025320