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1300313220 = 2235671073023
BaseRepresentation
bin100110110000001…
…0011010010000100
310100121202202101220
41031200103102010
510130340010340
6333010120340
744136323433
oct11540232204
93317682356
101300313220
11607aa1628
123035800b0
1317951770b
14c49a311a
1579252ed0
hex4d813484

1300313220 has 96 divisors (see below), whose sum is σ = 3730987008. Its totient is φ = 338270592.

The previous prime is 1300313207. The next prime is 1300313263. The reversal of 1300313220 is 223130031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1300313220.

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 31 ways as a sum of consecutive naturals, for example, 428629 + ... + 431651.

It is an arithmetic number, because the mean of its divisors is an integer number (38864448).

Almost surely, 21300313220 is an apocalyptic number.

1300313220 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 1300313220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865493504).

1300313220 is an abundant number, since it is smaller than the sum of its proper divisors (2430673788).

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

1300313220 is a wasteful number, since it uses less digits than its factorization.

1300313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209 (or 3207 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1300313220 is about 36059.8560729241. The cubic root of 1300313220 is about 1091.4805288631.

Adding to 1300313220 its reverse (223130031), we get a palindrome (1523443251).

The spelling of 1300313220 in words is "one billion, three hundred million, three hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 67 107 134 201 214 268 321 335 402 428 535 642 670 804 1005 1070 1284 1340 1605 2010 2140 3023 3210 4020 6046 6420 7169 9069 12092 14338 15115 18138 21507 28676 30230 35845 36276 43014 45345 60460 71690 86028 90690 107535 143380 181380 202541 215070 323461 405082 430140 607623 646922 810164 970383 1012705 1215246 1293844 1617305 1940766 2025410 2430492 3038115 3234610 3881532 4050820 4851915 6076230 6469220 9703830 12152460 19407660 21671887 43343774 65015661 86687548 108359435 130031322 216718870 260062644 325078305 433437740 650156610 1300313220