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2302081421 = 3177179623
BaseRepresentation
bin1000100100110110…
…1111100110001101
312221102202212000212
42021031233212031
514203313101141
61020233332205
7111022240433
oct21115574615
95842685025
102302081421
11a81512932
12542b67065
132a8c23673
1417ba50d53
15d71832eb
hex8936f98d

2302081421 has 8 divisors (see below), whose sum is σ = 2376897024. Its totient is φ = 2227300560.

The previous prime is 2302081403. The next prime is 2302081433. The reversal of 2302081421 is 1241802032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2302081421 - 210 = 2302080397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302081321) 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 7 ways as a sum of consecutive naturals, for example, 234416 + ... + 244038.

It is an arithmetic number, because the mean of its divisors is an integer number (297112128).

Almost surely, 22302081421 is an apocalyptic number.

It is an amenable number.

2302081421 is a deficient number, since it is larger than the sum of its proper divisors (74815603).

2302081421 is an equidigital number, since it uses as much as digits as its factorization.

2302081421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17371.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2302081421 is about 47980.0106398488. The cubic root of 2302081421 is about 1320.4041884748.

Adding to 2302081421 its reverse (1241802032), we get a palindrome (3543883453).

The spelling of 2302081421 in words is "two billion, three hundred two million, eighty-one thousand, four hundred twenty-one".

Divisors: 1 31 7717 9623 239227 298313 74260691 2302081421