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3030222420 = 2233516273449
BaseRepresentation
bin1011010010011101…
…1000011001010100
321211011220020201000
42310213120121110
522201214104140
61220404103300
7135043315461
oct26447303124
97734806630
103030222420
111315532a55
12706994b30
13393a36824
1420a632668
1512b063a30
hexb49d8654

3030222420 has 96 divisors (see below), whose sum is σ = 9435888000. Its totient is φ = 807328512.

The previous prime is 3030222407. The next prime is 3030222421. The reversal of 3030222420 is 242220303.

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 = 3030222393 and 3030222402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030222421) 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, 876856 + ... + 880304.

It is an arithmetic number, because the mean of its divisors is an integer number (98290500).

Almost surely, 23030222420 is an apocalyptic number.

3030222420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3030222420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4717944000).

3030222420 is an abundant number, since it is smaller than the sum of its proper divisors (6405665580).

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

3030222420 is a wasteful number, since it uses less digits than its factorization.

3030222420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094 (or 5086 counting only the distinct ones).

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

The square root of 3030222420 is about 55047.4560720112. The cubic root of 3030222420 is about 1447.0765385906.

Adding to 3030222420 its reverse (242220303), we get a palindrome (3272442723).

The spelling of 3030222420 in words is "three billion, thirty million, two hundred twenty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 1627 3254 3449 4881 6508 6898 8135 9762 10347 13796 14643 16270 17245 19524 20694 24405 29286 31041 32540 34490 41388 43929 48810 51735 58572 62082 68980 73215 87858 93123 97620 103470 124164 146430 155205 175716 186246 206940 219645 292860 310410 372492 439290 465615 620820 878580 931230 1862460 5611523 11223046 16834569 22446092 28057615 33669138 50503707 56115230 67338276 84172845 101007414 112230460 151511121 168345690 202014828 252518535 303022242 336691380 505037070 606044484 757555605 1010074140 1515111210 3030222420