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272542580 = 225294173157
BaseRepresentation
bin10000001111101…
…010101101110100
3200222211121010122
4100033222231310
51024232330310
643013311112
76516400532
oct2017525564
9628747118
10272542580
1112a930302
1277335498
13446061cb
14282a7152
1518dd8555
hex103eab74

272542580 has 96 divisors (see below), whose sum is σ = 618740640. Its totient is φ = 100638720.

The previous prime is 272542573. The next prime is 272542583. The reversal of 272542580 is 85245272.

It can be written as a sum of positive squares in 16 ways, for example, as 141943396 + 130599184 = 11914^2 + 11428^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 272542580.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272542583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1735862 + ... + 1736018.

It is an arithmetic number, because the mean of its divisors is an integer number (6445215).

Almost surely, 2272542580 is an apocalyptic number.

272542580 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 272542580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309370320).

272542580 is an abundant number, since it is smaller than the sum of its proper divisors (346198060).

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

272542580 is a wasteful number, since it uses less digits than its factorization.

272542580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 272542580 is about 16508.8636798539. The cubic root of 272542580 is about 648.3528948367.

The spelling of 272542580 in words is "two hundred seventy-two million, five hundred forty-two thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 29 41 58 73 82 116 145 146 157 164 205 290 292 314 365 410 580 628 730 785 820 1189 1460 1570 2117 2378 2993 3140 4234 4553 4756 5945 5986 6437 8468 9106 10585 11461 11890 11972 12874 14965 18212 21170 22765 22922 23780 25748 29930 32185 42340 45530 45844 57305 59860 64370 86797 91060 114610 128740 173594 186673 229220 332369 347188 373346 433985 469901 664738 746692 867970 933365 939802 1329476 1661845 1735940 1866730 1879604 2349505 3323690 3733460 4699010 6647380 9398020 13627129 27254258 54508516 68135645 136271290 272542580