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303425430 = 235711235711
BaseRepresentation
bin10010000101011…
…110011110010110
3210010221121102220
4102011132132112
51110134103210
650035243210
710343034150
oct2205363626
9703847386
10303425430
11146304020
1285749506
134ab29c99
142c425ad0
151b988c70
hex1215e796

303425430 has 128 divisors (see below), whose sum is σ = 947552256. Its totient is φ = 60297600.

The previous prime is 303425417. The next prime is 303425431. The reversal of 303425430 is 34524303.

It is a self number, because there is not a number n which added to its sum of digits gives 303425430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303425431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50275 + ... + 55985.

It is an arithmetic number, because the mean of its divisors is an integer number (7402752).

Almost surely, 2303425430 is an apocalyptic number.

303425430 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 303425430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473776128).

303425430 is an abundant number, since it is smaller than the sum of its proper divisors (644126826).

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

303425430 is a wasteful number, since it uses less digits than its factorization.

303425430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 303425430 is about 17419.1110565379. Note that the first 3 decimals coincide. The cubic root of 303425430 is about 671.9711979223.

Adding to 303425430 its reverse (34524303), we get a palindrome (337949733).

The spelling of 303425430 in words is "three hundred three million, four hundred twenty-five thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 23 30 33 35 42 46 55 66 69 70 77 105 110 115 138 154 161 165 210 230 231 253 322 330 345 385 462 483 506 690 759 770 805 966 1155 1265 1518 1610 1771 2310 2415 2530 3542 3795 4830 5313 5711 7590 8855 10626 11422 17133 17710 26565 28555 34266 39977 53130 57110 62821 79954 85665 119931 125642 131353 171330 188463 199885 239862 262706 314105 376926 394059 399770 439747 599655 628210 656765 788118 879494 919471 942315 1199310 1313530 1319241 1444883 1838942 1884630 1970295 2198735 2638482 2758413 2889766 3940590 4334649 4397470 4597355 5516826 6596205 7224415 8669298 9194710 10114181 13192410 13792065 14448830 20228362 21673245 27584130 30342543 43346490 50570905 60685086 101141810 151712715 303425430