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545145210 = 23256057169
BaseRepresentation
bin100000011111100…
…100000101111010
31101222210020122100
4200133210011322
52104024121320
6130032204230
716336441431
oct4037440572
91358706570
10545145210
1125a7a1735
12132699676
1388c3083c
1452588118
1532cd4790
hex207e417a

545145210 has 24 divisors (see below), whose sum is σ = 1417377780. Its totient is φ = 145372032.

The previous prime is 545145193. The next prime is 545145221. The reversal of 545145210 is 12541545.

It can be written as a sum of positive squares in 2 ways, for example, as 471888729 + 73256481 = 21723^2 + 8559^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3028495 + ... + 3028674.

Almost surely, 2545145210 is an apocalyptic number.

545145210 is an abundant number, since it is smaller than the sum of its proper divisors (872232570).

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

545145210 is a wasteful number, since it uses less digits than its factorization.

545145210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6057182 (or 6057179 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 545145210 is about 23348.3449092222. The cubic root of 545145210 is about 816.9034561647.

Adding to 545145210 its reverse (12541545), we get a palindrome (557686755).

The spelling of 545145210 in words is "five hundred forty-five million, one hundred forty-five thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 6057169 12114338 18171507 30285845 36343014 54514521 60571690 90857535 109029042 181715070 272572605 545145210