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1333103220 = 2232534921221
BaseRepresentation
bin100111101110101…
…1000101001110100
310102220110122211100
41033131120221310
510212233300340
6340141010100
745015122211
oct11735305164
93386418740
101333103220
116245581a9
12312553930
13183258597
14c909ab08
157c07d830
hex4f758a74

1333103220 has 72 divisors (see below), whose sum is σ = 4055524200. Its totient is φ = 354458880.

The previous prime is 1333103203. The next prime is 1333103249. The reversal of 1333103220 is 223013331.

1333103220 is a `hidden beast` number, since 1 + 33 + 310 + 322 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 606045924 + 727057296 = 24618^2 + 26964^2 .

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 = 1333103193 and 1333103202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52210 + ... + 73430.

It is an arithmetic number, because the mean of its divisors is an integer number (56326725).

Almost surely, 21333103220 is an apocalyptic number.

1333103220 is a gapful number since it is divisible by the number (10) 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 1333103220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2027762100).

1333103220 is an abundant number, since it is smaller than the sum of its proper divisors (2722420980).

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

1333103220 is a wasteful number, since it uses less digits than its factorization.

1333103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21585 (or 21580 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1333103220 is about 36511.6860744611. The cubic root of 1333103220 is about 1100.5790945315.

Adding to 1333103220 its reverse (223013331), we get a palindrome (1556116551).

The spelling of 1333103220 in words is "one billion, three hundred thirty-three million, one hundred three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 349 698 1047 1396 1745 2094 3141 3490 4188 5235 6282 6980 10470 12564 15705 20940 21221 31410 42442 62820 63663 84884 106105 127326 190989 212210 254652 318315 381978 424420 636630 763956 954945 1273260 1909890 3819780 7406129 14812258 22218387 29624516 37030645 44436774 66655161 74061290 88873548 111091935 133310322 148122580 222183870 266620644 333275805 444367740 666551610 1333103220