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272938329 = 36438707
BaseRepresentation
bin10000010001001…
…011010101011001
3201000120201000000
4100101023111121
51024333011304
643030003213
76522636366
oct2021132531
9630521000
10272938329
11130080674
12774a6509
1344714391
142836b46d
1518e65939
hex1044b559

272938329 has 28 divisors (see below), whose sum is σ = 418785136. Its totient is φ = 177706872.

The previous prime is 272938327. The next prime is 272938357. The reversal of 272938329 is 923839272.

It is not a de Polignac number, because 272938329 - 21 = 272938327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272938321) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 26994 + ... + 35700.

It is an arithmetic number, because the mean of its divisors is an integer number (14956612).

Almost surely, 2272938329 is an apocalyptic number.

272938329 is the 10449-th heptagonal number.

It is an amenable number.

272938329 is a deficient number, since it is larger than the sum of its proper divisors (145846807).

272938329 is an frugal number, since it uses more digits than its factorization.

272938329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8768 (or 8753 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 272938329 is about 16520.8452870911. The cubic root of 272938329 is about 648.6665594847. Note that the first 3 decimals are identical.

The spelling of 272938329 in words is "two hundred seventy-two million, nine hundred thirty-eight thousand, three hundred twenty-nine".

Divisors: 1 3 9 27 43 81 129 243 387 729 1161 3483 8707 10449 26121 31347 78363 235089 374401 705267 1123203 2115801 3369609 6347403 10108827 30326481 90979443 272938329