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8980000380 = 223251322317209
BaseRepresentation
bin10000101110011111…
…11110111001111100
3212011211110021200200
420113033332321330
5121342340003010
64043024323500
7435350513061
oct102717767174
925154407620
108980000380
113898a8121a
1218a7473590
13b0159a0c0
146128cac68
1537857acc0
hex2173fee7c

8980000380 has 144 divisors (see below), whose sum is σ = 29467925760. Its totient is φ = 2200421376.

The previous prime is 8980000333. The next prime is 8980000387. The reversal of 8980000380 is 830000898.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8980000387) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 513216 + ... + 530424.

Almost surely, 28980000380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8980000380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14733962880).

8980000380 is an abundant number, since it is smaller than the sum of its proper divisors (20487925380).

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

8980000380 is a wasteful number, since it uses less digits than its factorization.

8980000380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17460 (or 17455 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 8980000380 is about 94762.8639288619. The cubic root of 8980000380 is about 2078.5419067921.

The spelling of 8980000380 in words is "eight billion, nine hundred eighty million, three hundred eighty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 223 234 260 390 446 468 585 669 780 892 1115 1170 1338 2007 2230 2340 2676 2899 3345 4014 4460 5798 6690 8028 8697 10035 11596 13380 14495 17209 17394 20070 26091 28990 34418 34788 40140 43485 51627 52182 57980 68836 86045 86970 103254 104364 130455 154881 172090 173940 206508 223717 258135 260910 309762 344180 447434 516270 521820 619524 671151 774405 894868 1032540 1118585 1342302 1548810 2013453 2237170 2684604 3097620 3355755 3837607 4026906 4474340 6711510 7675214 8053812 10067265 11512821 13423020 15350428 19188035 20134530 23025642 34538463 38376070 40269060 46051284 49888891 57564105 69076926 76752140 99777782 115128210 138153852 149666673 172692315 199555564 230256420 249444455 299333346 345384630 449000019 498888910 598666692 690769260 748333365 898000038 997777820 1496666730 1796000076 2245000095 2993333460 4490000190 8980000380