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272649485 = 5173786693
BaseRepresentation
bin10000010000000…
…100110100001101
3201000001000210002
4100100010310031
51024244240420
643015454045
76520324313
oct2020046415
9630030702
10272649485
1112a9a3659
1277387325
1344642a74
14282d40b3
1518e0a075
hex10404d0d

272649485 has 16 divisors (see below), whose sum is σ = 355792176. Its totient is φ = 199738368.

The previous prime is 272649479. The next prime is 272649493. The reversal of 272649485 is 584946272.

It can be written as a sum of positive squares in 8 ways, for example, as 34070569 + 238578916 = 5837^2 + 15446^2 .

It is a cyclic number.

It is not a de Polignac number, because 272649485 - 218 = 272387341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40202 + ... + 46491.

It is an arithmetic number, because the mean of its divisors is an integer number (22237011).

Almost surely, 2272649485 is an apocalyptic number.

It is an amenable number.

272649485 is a deficient number, since it is larger than the sum of its proper divisors (83142691).

272649485 is a wasteful number, since it uses less digits than its factorization.

272649485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86752.

The product of its digits is 967680, while the sum is 47.

The square root of 272649485 is about 16512.1011685370. The cubic root of 272649485 is about 648.4376560333.

The spelling of 272649485 in words is "two hundred seventy-two million, six hundred forty-nine thousand, four hundred eighty-five".

Divisors: 1 5 17 37 85 185 629 3145 86693 433465 1473781 3207641 7368905 16038205 54529897 272649485