Search a number
-
+
272834720 = 2553167821
BaseRepresentation
bin10000010000110…
…010000010100000
3201000101102212122
4100100302002200
51024321202340
643023443412
76522025334
oct2020620240
9630342778
10272834720
1113000a844
1277456568
13446a9182
14283417c4
1518e44db5
hex104320a0

272834720 has 96 divisors (see below), whose sum is σ = 676118016. Its totient is φ = 103910400.

The previous prime is 272834719. The next prime is 272834729. The reversal of 272834720 is 27438272.

272834720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (35) 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 (272834729) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 331910 + ... + 332730.

It is an arithmetic number, because the mean of its divisors is an integer number (7042896).

Almost surely, 2272834720 is an apocalyptic number.

272834720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272834720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338059008).

272834720 is an abundant number, since it is smaller than the sum of its proper divisors (403283296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272834720 is a wasteful number, since it uses less digits than its factorization.

272834720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 272834720 is about 16517.7092842803. The cubic root of 272834720 is about 648.5844698789.

The spelling of 272834720 in words is "two hundred seventy-two million, eight hundred thirty-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 67 80 124 134 155 160 248 268 310 335 496 536 620 670 821 992 1072 1240 1340 1642 2077 2144 2480 2680 3284 4105 4154 4960 5360 6568 8210 8308 10385 10720 13136 16420 16616 20770 25451 26272 32840 33232 41540 50902 55007 65680 66464 83080 101804 110014 127255 131360 166160 203608 220028 254510 275035 332320 407216 440056 509020 550070 814432 880112 1018040 1100140 1705217 1760224 2036080 2200280 3410434 4072160 4400560 6820868 8526085 8801120 13641736 17052170 27283472 34104340 54566944 68208680 136417360 272834720