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272293385 = 5713598447
BaseRepresentation
bin10000001110101…
…101111000001001
3200222100221022012
4100032231320021
51024201342020
643004105305
76514312160
oct2016557011
9628327265
10272293385
1112a780061
1277235235
1344549960
14282403d7
1518d897c5
hex103ade09

272293385 has 16 divisors (see below), whose sum is σ = 402157056. Its totient is φ = 172352448.

The previous prime is 272293363. The next prime is 272293393. The reversal of 272293385 is 583392272.

It is a cyclic number.

It is not a de Polignac number, because 272293385 - 214 = 272277001 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 298769 + ... + 299678.

It is an arithmetic number, because the mean of its divisors is an integer number (25134816).

Almost surely, 2272293385 is an apocalyptic number.

It is an amenable number.

272293385 is a deficient number, since it is larger than the sum of its proper divisors (129863671).

272293385 is a wasteful number, since it uses less digits than its factorization.

272293385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598472.

The product of its digits is 181440, while the sum is 41.

The square root of 272293385 is about 16501.3146445973. The cubic root of 272293385 is about 648.1552308404.

The spelling of 272293385 in words is "two hundred seventy-two million, two hundred ninety-three thousand, three hundred eighty-five".

Divisors: 1 5 7 13 35 65 91 455 598447 2992235 4189129 7779811 20945645 38899055 54458677 272293385