Search a number
-
+
303313230 = 232511306377
BaseRepresentation
bin10010000101000…
…011000101001110
3210010201220112100
4102011003011032
51110122010410
650033015530
710342056063
oct2205030516
9703656470
10303313230
111462377a0
12856b45a6
134aababac
142c3d6c6a
151b9658c0
hex1214314e

303313230 has 48 divisors (see below), whose sum is σ = 860309424. Its totient is φ = 73530240.

The previous prime is 303313229. The next prime is 303313253. The reversal of 303313230 is 32313303.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 152199 + ... + 154178.

It is an arithmetic number, because the mean of its divisors is an integer number (17923113).

Almost surely, 2303313230 is an apocalyptic number.

303313230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

303313230 is an abundant number, since it is smaller than the sum of its proper divisors (556996194).

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

303313230 is a wasteful number, since it uses less digits than its factorization.

303313230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306401 (or 306398 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 303313230 is about 17415.8901581286. The cubic root of 303313230 is about 671.8883610251. Note that the first 3 decimals are identical.

Adding to 303313230 its reverse (32313303), we get a palindrome (335626533).

The spelling of 303313230 in words is "three hundred three million, three hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 306377 612754 919131 1531885 1838262 2757393 3063770 3370147 4595655 5514786 6740294 9191310 10110441 13786965 16850735 20220882 27573930 30331323 33701470 50552205 60662646 101104410 151656615 303313230