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272351389 is a prime number
BaseRepresentation
bin10000001110111…
…100000010011101
3200222110212212111
4100032330002131
51024210221024
643005234021
76514643242
oct2016740235
9628425774
10272351389
1112a80a6a2
1277262911
134456a18b
14282575c9
1518d9ba94
hex103bc09d

272351389 has 2 divisors, whose sum is σ = 272351390. Its totient is φ = 272351388.

The previous prime is 272351363. The next prime is 272351419. The reversal of 272351389 is 983153272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266016100 + 6335289 = 16310^2 + 2517^2 .

It is a cyclic number.

It is not a de Polignac number, because 272351389 - 217 = 272220317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272351329) 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 as a sum of consecutive naturals, namely, 136175694 + 136175695.

It is an arithmetic number, because the mean of its divisors is an integer number (136175695).

Almost surely, 2272351389 is an apocalyptic number.

It is an amenable number.

272351389 is a deficient number, since it is larger than the sum of its proper divisors (1).

272351389 is an equidigital number, since it uses as much as digits as its factorization.

272351389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 272351389 is about 16503.0721079440. The cubic root of 272351389 is about 648.2012509653.

The spelling of 272351389 in words is "two hundred seventy-two million, three hundred fifty-one thousand, three hundred eighty-nine".