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1483181980 = 225723148821
BaseRepresentation
bin101100001100111…
…1000111110011100
310211100212110011221
41120121320332130
511014143310410
6403101423124
751516560500
oct13031707634
93740773157
101483181980
116a1243635
1235486aaa4
131a8384297
14100da6300
158a3264da
hex58678f9c

1483181980 has 72 divisors (see below), whose sum is σ = 3740155776. Its totient is φ = 492105600.

The previous prime is 1483181957. The next prime is 1483181981. The reversal of 1483181980 is 891813841.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1483181981) by changing a digit.

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, 5970 + ... + 54790.

It is an arithmetic number, because the mean of its divisors is an integer number (51946608).

Almost surely, 21483181980 is an apocalyptic number.

1483181980 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 1483181980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1870077888).

1483181980 is an abundant number, since it is smaller than the sum of its proper divisors (2256973796).

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

1483181980 is a wasteful number, since it uses less digits than its factorization.

1483181980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48875 (or 48866 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 43.

The square root of 1483181980 is about 38512.1017343899. The cubic root of 1483181980 is about 1140.4199694075.

The spelling of 1483181980 in words is "one billion, four hundred eighty-three million, one hundred eighty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 49 62 70 98 124 140 155 196 217 245 310 434 490 620 868 980 1085 1519 2170 3038 4340 6076 7595 15190 30380 48821 97642 195284 244105 341747 488210 683494 976420 1366988 1513451 1708735 2392229 3026902 3417470 4784458 6053804 6834940 7567255 9568916 10594157 11961145 15134510 21188314 23922290 30269020 42376628 47844580 52970785 74159099 105941570 148318198 211883140 296636396 370795495 741590990 1483181980