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302223030 = 23531378783
BaseRepresentation
bin10010000000111…
…000111010110110
3210001200112001120
4102000320322312
51104332114110
645553404410
710326565464
oct2200707266
9701615046
10302223030
111456626aa
1285269706
134a7c88c5
142c1d1834
151b7ec870
hex12038eb6

302223030 has 64 divisors (see below), whose sum is σ = 769056768. Its totient is φ = 75876480.

The previous prime is 302223011. The next prime is 302223041. The reversal of 302223030 is 30322203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30019 + ... + 38801.

It is an arithmetic number, because the mean of its divisors is an integer number (12016512).

Almost surely, 2302223030 is an apocalyptic number.

302223030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 302223030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384528384).

302223030 is an abundant number, since it is smaller than the sum of its proper divisors (466833738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302223030 is a wasteful number, since it uses less digits than its factorization.

302223030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8861.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 302223030 is about 17384.5629798393. The cubic root of 302223030 is about 671.0824042607.

Adding to 302223030 its reverse (30322203), we get a palindrome (332545233).

The spelling of 302223030 in words is "three hundred two million, two hundred twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 31 37 62 74 93 111 155 185 186 222 310 370 465 555 930 1110 1147 2294 3441 5735 6882 8783 11470 17205 17566 26349 34410 43915 52698 87830 131745 263490 272273 324971 544546 649942 816819 974913 1361365 1624855 1633638 1949826 2722730 3249710 4084095 4874565 8168190 9749130 10074101 20148202 30222303 50370505 60444606 100741010 151111515 302223030