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282257375841 = 38729372
BaseRepresentation
bin1000001101101111101…
…10011100001001100001
3222222120000001100000000
410012313312130021201
514111030342011331
6333400043050213
726251413052200
oct4066766341141
9888500040000
10282257375841
11a9782a26151
1246853510969
132080302402c
14d938991237
15751ebe50e6
hex41b7d9c261

282257375841 has 81 divisors (see below), whose sum is σ = 493011455859. Its totient is φ = 161117794656.

The previous prime is 282257375819. The next prime is 282257375857. The reversal of 282257375841 is 148573752282.

The square root of 282257375841 is 531279.

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

282257375841 is a `hidden beast` number, since 2 + 8 + 2 + 2 + 57 + 3 + 7 + 584 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14860829025 + 267396546816 = 121905^2 + 517104^2 .

It is a tau number, because it is divible by the number of its divisors (81).

It is not a de Polignac number, because 282257375841 - 231 = 280109892193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (282257375341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 301234725 + ... + 301235661.

Almost surely, 2282257375841 is an apocalyptic number.

282257375841 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

282257375841 is the 531279-th square number.

282257375841 is the 265640-th centered octagonal number.

It is an amenable number.

282257375841 is a deficient number, since it is larger than the sum of its proper divisors (210754080018).

282257375841 is an frugal number, since it uses more digits than its factorization.

282257375841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912 (or 947 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 54.

The spelling of 282257375841 in words is "two hundred eighty-two billion, two hundred fifty-seven million, three hundred seventy-five thousand, eight hundred forty-one".

Divisors: 1 3 7 9 21 27 49 63 81 147 189 243 441 567 729 937 1323 1701 2187 2811 3969 5103 6559 6561 8433 11907 15309 19677 25299 35721 45913 45927 59031 75897 107163 137739 177093 227691 321489 413217 531279 683073 877969 1239651 1593837 2049219 2633907 3718953 4781511 6145783 6147657 7901721 11156859 14344533 18437349 23705163 33470577 43020481 43033599 55312047 71115489 100411731 129061443 165936141 213346467 301235193 387184329 497808423 640039401 1161552987 1493425269 1920118203 3484658961 4480275807 5760354609 10453976883 13440827421 31361930649 40322482263 94085791947 282257375841