Search a number
-
+
272852728 = 2379431729
BaseRepresentation
bin10000010000110…
…110011011111000
3201000102100120121
4100100312123320
51024322241403
643024103024
76522132001
oct2020663370
9630370517
10272852728
11130022325
1277464a74
13446b4425
14283481a8
1518e4a3bd
hex104366f8

272852728 has 16 divisors (see below), whose sum is σ = 518076000. Its totient is φ = 134699136.

The previous prime is 272852707. The next prime is 272852747. The reversal of 272852728 is 827258272.

It is a super-2 number, since 2×2728527282 = 148897222354083968, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 215233 + ... + 216496.

It is an arithmetic number, because the mean of its divisors is an integer number (32379750).

Almost surely, 2272852728 is an apocalyptic number.

It is an amenable number.

272852728 is a deficient number, since it is larger than the sum of its proper divisors (245223272).

272852728 is a wasteful number, since it uses less digits than its factorization.

272852728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431814 (or 431810 counting only the distinct ones).

The product of its digits is 250880, while the sum is 43.

The square root of 272852728 is about 16518.2543871924. The cubic root of 272852728 is about 648.5987391432.

The spelling of 272852728 in words is "two hundred seventy-two million, eight hundred fifty-two thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 79 158 316 632 431729 863458 1726916 3453832 34106591 68213182 136426364 272852728