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272241305 = 5721111189
BaseRepresentation
bin10000001110100…
…001001010011001
3200222021021212022
4100032201022121
51024143210210
643003024225
76514004300
oct2016411231
9628237768
10272241305
1112a744a16
127720b075
134452c03b
1428229437
1518d79155
hex103a1299

272241305 has 12 divisors (see below), whose sum is σ = 380026980. Its totient is φ = 186679584.

The previous prime is 272241283. The next prime is 272241313. The reversal of 272241305 is 503142272.

It can be written as a sum of positive squares in 2 ways, for example, as 168792064 + 103449241 = 12992^2 + 10171^2 .

It is not a de Polignac number, because 272241305 - 28 = 272241049 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555350 + ... + 555839.

It is an arithmetic number, because the mean of its divisors is an integer number (31668915).

Almost surely, 2272241305 is an apocalyptic number.

It is an amenable number.

272241305 is a deficient number, since it is larger than the sum of its proper divisors (107785675).

272241305 is a wasteful number, since it uses less digits than its factorization.

272241305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111208 (or 1111201 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 272241305 is about 16499.7365130477. The cubic root of 272241305 is about 648.1139052230.

Adding to 272241305 its reverse (503142272), we get a palindrome (775383577).

The spelling of 272241305 in words is "two hundred seventy-two million, two hundred forty-one thousand, three hundred five".

Divisors: 1 5 7 35 49 245 1111189 5555945 7778323 38891615 54448261 272241305