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1302420441 = 3728860003
BaseRepresentation
bin100110110100001…
…0101101111011001
310100202201210222010
41031220111233121
510131404423231
6333123220133
744163251100
oct11550255731
93322653863
101302420441
11609200833
12304217649
13179aa48aa
14c4d91037
157951c546
hex4da15bd9

1302420441 has 12 divisors (see below), whose sum is σ = 2020080912. Its totient is φ = 744240168.

The previous prime is 1302420419. The next prime is 1302420491. The reversal of 1302420441 is 1440242031.

It is not a de Polignac number, because 1302420441 - 211 = 1302418393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1302420401) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4429855 + ... + 4430148.

It is an arithmetic number, because the mean of its divisors is an integer number (168340076).

Almost surely, 21302420441 is an apocalyptic number.

It is an amenable number.

1302420441 is a deficient number, since it is larger than the sum of its proper divisors (717660471).

1302420441 is an equidigital number, since it uses as much as digits as its factorization.

1302420441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8860020 (or 8860013 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1302420441 is about 36089.0626229056. The cubic root of 1302420441 is about 1092.0698098040.

Adding to 1302420441 its reverse (1440242031), we get a palindrome (2742662472).

The spelling of 1302420441 in words is "one billion, three hundred two million, four hundred twenty thousand, four hundred forty-one".

Divisors: 1 3 7 21 49 147 8860003 26580009 62020021 186060063 434140147 1302420441