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272356289 is a prime number
BaseRepresentation
bin10000001110111…
…101001111000001
3200222111010120222
4100032331033001
51024210400124
643005312425
76514663442
oct2016751701
9628433528
10272356289
1112a813347
1277265715
134456c48a
14282592c9
1518d9d25e
hex103bd3c1

272356289 has 2 divisors, whose sum is σ = 272356290. Its totient is φ = 272356288.

The previous prime is 272356261. The next prime is 272356319. The reversal of 272356289 is 982653272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149035264 + 123321025 = 12208^2 + 11105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-272356289 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (272356219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136178144 + 136178145.

It is an arithmetic number, because the mean of its divisors is an integer number (136178145).

Almost surely, 2272356289 is an apocalyptic number.

It is an amenable number.

272356289 is a deficient number, since it is larger than the sum of its proper divisors (1).

272356289 is an equidigital number, since it uses as much as digits as its factorization.

272356289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 272356289 is about 16503.2205644838. The cubic root of 272356289 is about 648.2051383050.

It can be divided in two parts, 2 and 72356289, that multiplied together give a triangular number (144712578 = T17012).

The spelling of 272356289 in words is "two hundred seventy-two million, three hundred fifty-six thousand, two hundred eighty-nine".