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1330342420 = 225116199769
BaseRepresentation
bin100111101001011…
…0110101000010100
310102201021101201111
41033102312220110
510211031424140
6340001504404
744652503221
oct11722665024
93381241644
101330342420
11622a41a50
12311642104
131827cca84
14c897c948
157bbd57ea
hex4f4b6a14

1330342420 has 48 divisors (see below), whose sum is σ = 3052929600. Its totient is φ = 482929920.

The previous prime is 1330342417. The next prime is 1330342421. The reversal of 1330342420 is 242430331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1330342391 and 1330342400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330342421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131296 + ... + 141064.

It is an arithmetic number, because the mean of its divisors is an integer number (63602700).

Almost surely, 21330342420 is an apocalyptic number.

1330342420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330342420 is an abundant number, since it is smaller than the sum of its proper divisors (1722587180).

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

1330342420 is a wasteful number, since it uses less digits than its factorization.

1330342420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10408 (or 10406 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1330342420 is about 36473.8594064297. The cubic root of 1330342420 is about 1099.8188186440.

Adding to 1330342420 its reverse (242430331), we get a palindrome (1572772751).

The spelling of 1330342420 in words is "one billion, three hundred thirty million, three hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 619 1238 2476 3095 6190 6809 9769 12380 13618 19538 27236 34045 39076 48845 68090 97690 107459 136180 195380 214918 429836 537295 1074590 2149180 6047011 12094022 24188044 30235055 60470110 66517121 120940220 133034242 266068484 332585605 665171210 1330342420