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272836 = 2268209
BaseRepresentation
bin1000010100111000100
3111212021001
41002213010
532212321
65503044
72214304
oct1024704
9455231
10272836
11176a93
12111a84
1397255
1471604
1555c91
hex429c4

272836 has 6 divisors (see below), whose sum is σ = 477470. Its totient is φ = 136416.

The previous prime is 272813. The next prime is 272863. The reversal of 272836 is 638272.

It can be written as a sum of positive squares in only one way, i.e., 230400 + 42436 = 480^2 + 206^2 .

It is a d-powerful number, because it can be written as 217 + 74 + 83 + 217 + 3 + 65 .

It is a congruent number.

It is an unprimeable number.

272836 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34101 + ... + 34108.

2272836 is an apocalyptic number.

It is an amenable number.

272836 is a deficient number, since it is larger than the sum of its proper divisors (204634).

272836 is a wasteful number, since it uses less digits than its factorization.

272836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68213 (or 68211 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 272836 is about 522.3370559323. The cubic root of 272836 is about 64.8585484152.

The spelling of 272836 in words is "two hundred seventy-two thousand, eight hundred thirty-six".

Divisors: 1 2 4 68209 136418 272836