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272912 = 2437461
BaseRepresentation
bin1000010101000010000
3111212100212
41002220100
532213122
65503252
72214443
oct1025020
9455325
10272912
11177052
12111b28
13972b3
147165a
1555ce2
hex42a10

272912 has 20 divisors (see below), whose sum is σ = 544236. Its totient is φ = 132480.

The previous prime is 272911. The next prime is 272917. The reversal of 272912 is 219272.

It can be written as a sum of positive squares in 2 ways, for example, as 173056 + 99856 = 416^2 + 316^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (272911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362 + ... + 822.

2272912 is an apocalyptic number.

It is an amenable number.

272912 is a deficient number, since it is larger than the sum of its proper divisors (271324).

272912 is a wasteful number, since it uses less digits than its factorization.

272912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 500 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 272912 is about 522.4098008269. The cubic root of 272912 is about 64.8645700938.

The spelling of 272912 in words is "two hundred seventy-two thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 37 74 148 296 461 592 922 1844 3688 7376 17057 34114 68228 136456 272912