Search a number
-
+
545105312 = 2537460393
BaseRepresentation
bin100000011111011…
…010010110100000
31101222201012220122
4200133122112200
52104021332222
6130031255412
716336214213
oct4037322640
91358635818
10545105312
1125a774764
1213267a568
1388c1862b
145257777a
1532cc7a42
hex207da5a0

545105312 has 24 divisors (see below), whose sum is σ = 1102183236. Its totient is φ = 265185792.

The previous prime is 545105273. The next prime is 545105317. The reversal of 545105312 is 213501545.

It can be written as a sum of positive squares in 2 ways, for example, as 528816016 + 16289296 = 22996^2 + 4036^2 .

It is not an unprimeable number, because it can be changed into a prime (545105317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229013 + ... + 231380.

Almost surely, 2545105312 is an apocalyptic number.

It is an amenable number.

545105312 is an abundant number, since it is smaller than the sum of its proper divisors (557077924).

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

545105312 is a wasteful number, since it uses less digits than its factorization.

545105312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460440 (or 460432 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 545105312 is about 23347.4904861315. The cubic root of 545105312 is about 816.8835265456.

Adding to 545105312 its reverse (213501545), we get a palindrome (758606857).

The spelling of 545105312 in words is "five hundred forty-five million, one hundred five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 37 74 148 296 592 1184 460393 920786 1841572 3683144 7366288 14732576 17034541 34069082 68138164 136276328 272552656 545105312