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426028980 = 2235133171723
BaseRepresentation
bin11001011001001…
…010111110110100
31002200122111220010
4121121022332310
51333030411410
6110135140220
713362120666
oct3131127664
91080574803
10426028980
111a9533973
12ba814670
136a355c70
144081c536
1527605c20
hex1964afb4

426028980 has 96 divisors (see below), whose sum is σ = 1289441664. Its totient is φ = 104477184.

The previous prime is 426028969. The next prime is 426029011. The reversal of 426028980 is 89820624.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246399 + ... + 248121.

It is an arithmetic number, because the mean of its divisors is an integer number (13431684).

Almost surely, 2426028980 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 426028980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644720832).

426028980 is an abundant number, since it is smaller than the sum of its proper divisors (863412684).

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

426028980 is a wasteful number, since it uses less digits than its factorization.

426028980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 426028980 is about 20640.4694714050. The cubic root of 426028980 is about 752.4535822701.

The spelling of 426028980 in words is "four hundred twenty-six million, twenty-eight thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 317 390 634 780 951 1268 1585 1723 1902 3170 3446 3804 4121 4755 5169 6340 6892 8242 8615 9510 10338 12363 16484 17230 19020 20605 20676 22399 24726 25845 34460 41210 44798 49452 51690 61815 67197 82420 89596 103380 111995 123630 134394 223990 247260 268788 335985 447980 546191 671970 1092382 1343940 1638573 2184764 2730955 3277146 5461910 6554292 7100483 8192865 10923820 14200966 16385730 21301449 28401932 32771460 35502415 42602898 71004830 85205796 106507245 142009660 213014490 426028980