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272865641 is a prime number
BaseRepresentation
bin10000010000111…
…001100101101001
3201000110000021212
4100100321211221
51024323200031
643024242505
76522214436
oct2020714551
9630400255
10272865641
11130030aa4
1277470435
13446ba279
142834cb8d
1518e4e12b
hex10439969

272865641 has 2 divisors, whose sum is σ = 272865642. Its totient is φ = 272865640.

The previous prime is 272865617. The next prime is 272865653. The reversal of 272865641 is 146568272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187580416 + 85285225 = 13696^2 + 9235^2 .

It is a cyclic number.

It is not a de Polignac number, because 272865641 - 214 = 272849257 is a prime.

It is not a weakly prime, because it can be changed into another prime (272865661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136432820 + 136432821.

It is an arithmetic number, because the mean of its divisors is an integer number (136432821).

Almost surely, 2272865641 is an apocalyptic number.

It is an amenable number.

272865641 is a deficient number, since it is larger than the sum of its proper divisors (1).

272865641 is an equidigital number, since it uses as much as digits as its factorization.

272865641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 272865641 is about 16518.6452531677. The cubic root of 272865641 is about 648.6089708208.

The spelling of 272865641 in words is "two hundred seventy-two million, eight hundred sixty-five thousand, six hundred forty-one".