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302420441 = 1314723003
BaseRepresentation
bin10010000001101…
…001000111011001
3210002001112212002
4102001221013121
51104404423231
650001530345
710331350151
oct2201510731
9702045762
10302420441
11145787a54
12853439b5
134a86770b
142c243761
151b83b0cb
hex120691d9

302420441 has 4 divisors (see below), whose sum is σ = 302456592. Its totient is φ = 302384292.

The previous prime is 302420389. The next prime is 302420449. The reversal of 302420441 is 144024203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 302420441 - 226 = 235311577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302420449) 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, 1646 + ... + 24648.

It is an arithmetic number, because the mean of its divisors is an integer number (75614148).

Almost surely, 2302420441 is an apocalyptic number.

It is an amenable number.

302420441 is a deficient number, since it is larger than the sum of its proper divisors (36151).

302420441 is a wasteful number, since it uses less digits than its factorization.

302420441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36150.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 302420441 is about 17390.2398200830. The cubic root of 302420441 is about 671.2284886651.

Adding to 302420441 its reverse (144024203), we get a palindrome (446444644).

The spelling of 302420441 in words is "three hundred two million, four hundred twenty thousand, four hundred forty-one".

Divisors: 1 13147 23003 302420441