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428286478096 = 241927921092
BaseRepresentation
bin1100011101101111101…
…11010000011100010000
31111221111000120100012201
412032313313100130100
524004112314244341
6524430241332544
742641223666121
oct6166767203420
91457430510181
10428286478096
111556a9608024
126b008337154
1331505a01249
1416a2cc06048
15b219d9c331
hex63b7dd0710

428286478096 has 135 divisors (see below), whose sum is σ = 895216056021. Its totient is φ = 198466879104.

The previous prime is 428286478093. The next prime is 428286478111. The reversal of 428286478096 is 690874682824.

The square root of 428286478096 is 654436.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 298513620496 + 129772857600 = 546364^2 + 360240^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428286478093) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3929233690 + ... + 3929233798.

Almost surely, 2428286478096 is an apocalyptic number.

428286478096 is the 654436-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428286478096

428286478096 is an abundant number, since it is smaller than the sum of its proper divisors (466929577925).

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

428286478096 is an equidigital number, since it uses as much as digits as its factorization.

428286478096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 64.

Multiplying 428286478096 by its sum of digits (64), we get a square (27410334598144 = 52354882).

The spelling of 428286478096 in words is "four hundred twenty-eight billion, two hundred eighty-six million, four hundred seventy-eight thousand, ninety-six".

Divisors: 1 2 4 8 16 19 38 76 79 109 152 158 218 304 316 361 436 632 722 872 1264 1444 1501 1744 2071 2888 3002 4142 5776 6004 6241 8284 8611 11881 12008 12482 16568 17222 23762 24016 24964 28519 33136 34444 39349 47524 49928 57038 68888 78698 95048 99856 114076 118579 137776 157396 163609 190096 225739 228152 237158 314792 327218 451478 456304 474316 629584 654436 680269 902956 938599 948632 1308872 1360538 1805912 1877198 1897264 2253001 2617744 2721076 3108571 3611824 3754396 4289041 4506002 5442152 6217142 7508792 8578082 9012004 10884304 12434284 12925111 15017584 17156164 17833381 18024008 24868568 25850222 34312328 35666762 36048016 49737136 51700444 68624656 71333524 74149321 103400888 142667048 148298642 206801776 245577109 285334096 296597284 338834239 491154218 593194568 677668478 982308436 1186389136 1355336956 1408837099 1964616872 2710673912 2817674198 3929233744 5421347824 5635348396 11270696792 22541393584 26767904881 53535809762 107071619524 214143239048 428286478096