Search a number
-
+
302223421 = 1793534783
BaseRepresentation
bin10010000000111…
…001000000111101
3210001200112121001
4102000321000331
51104332122141
645553410301
710326566563
oct2200710075
9701615531
10302223421
11145662a25
1285269991
134a7c8b36
142c1d1a33
151b7eca31
hex1203903d

302223421 has 8 divisors (see below), whose sum is σ = 304836480. Its totient is φ = 299620992.

The previous prime is 302223403. The next prime is 302223451. The reversal of 302223421 is 124322203.

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 302223421 - 27 = 302223293 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 (302223451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60796 + ... + 65578.

It is an arithmetic number, because the mean of its divisors is an integer number (38104560).

Almost surely, 2302223421 is an apocalyptic number.

It is an amenable number.

302223421 is a deficient number, since it is larger than the sum of its proper divisors (2613059).

302223421 is a wasteful number, since it uses less digits than its factorization.

302223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 302223421 is about 17384.5742254448. The cubic root of 302223421 is about 671.0826936641.

Adding to 302223421 its reverse (124322203), we get a palindrome (426545624).

The spelling of 302223421 in words is "three hundred two million, two hundred twenty-three thousand, four hundred twenty-one".

Divisors: 1 179 353 4783 63187 856157 1688399 302223421