Search a number
-
+
302040223 = 3185711369
BaseRepresentation
bin10010000000001…
…100010010011111
3210001100020021221
4102000030102133
51104310241343
645545434211
710325204512
oct2200142237
9701306257
10302040223
11145548321
128519b967
134a763634
142c184d79
151b7b35ed
hex1200c49f

302040223 has 8 divisors (see below), whose sum is σ = 312174720. Its totient is φ = 291930240.

The previous prime is 302040143. The next prime is 302040229. The reversal of 302040223 is 322040203.

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 302040223 - 29 = 302039711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302040197 and 302040206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302040229) 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, 20883 + ... + 32251.

It is an arithmetic number, because the mean of its divisors is an integer number (39021840).

Almost surely, 2302040223 is an apocalyptic number.

302040223 is a deficient number, since it is larger than the sum of its proper divisors (10134497).

302040223 is a wasteful number, since it uses less digits than its factorization.

302040223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12257.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 302040223 is about 17379.3044452303. The cubic root of 302040223 is about 670.9470700955.

Adding to 302040223 its reverse (322040203), we get a palindrome (624080426).

The spelling of 302040223 in words is "three hundred two million, forty thousand, two hundred twenty-three".

Divisors: 1 31 857 11369 26567 352439 9743233 302040223