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304422030 = 233511102499
BaseRepresentation
bin10010001001010…
…001110010001110
3210012211020112000
4102021101302032
51110413001110
650112453130
710354354533
oct2211216216
9705736460
10304422030
11146924860
1285b4a1a6
134b0b87a3
142c604d8a
151bad41c0
hex12251c8e

304422030 has 64 divisors (see below), whose sum is σ = 885600000. Its totient is φ = 73798560.

The previous prime is 304422029. The next prime is 304422031. The reversal of 304422030 is 30224403.

It is an interprime number because it is at equal distance from previous prime (304422029) and next prime (304422031).

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

It is a junction number, because it is equal to n+sod(n) for n = 304421994 and 304422012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304422031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48280 + ... + 54219.

It is an arithmetic number, because the mean of its divisors is an integer number (13837500).

Almost surely, 2304422030 is an apocalyptic number.

304422030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

304422030 is an abundant number, since it is smaller than the sum of its proper divisors (581177970).

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

304422030 is a wasteful number, since it uses less digits than its factorization.

304422030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102526 (or 102520 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 304422030 is about 17447.6941169886. The cubic root of 304422030 is about 672.7060897828.

Adding to 304422030 its reverse (30224403), we get a palindrome (334646433).

The spelling of 304422030 in words is "three hundred four million, four hundred twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 90 99 110 135 165 198 270 297 330 495 594 990 1485 2970 102499 204998 307497 512495 614994 922491 1024990 1127489 1537485 1844982 2254978 2767473 3074970 3382467 4612455 5534946 5637445 6764934 9224910 10147401 11274890 13837365 16912335 20294802 27674730 30442203 33824670 50737005 60884406 101474010 152211015 304422030