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272940580 = 225116718517
BaseRepresentation
bin10000010001001…
…011111000100100
3201000120211002101
4100101023320210
51024333044310
643030021444
76522646063
oct2021137044
9630524071
10272940580
11130082330
12774a7884
1344715403
142836c1da
1518e6643a
hex1044be24

272940580 has 48 divisors (see below), whose sum is σ = 634648896. Its totient is φ = 97764480.

The previous prime is 272940541. The next prime is 272940587. The reversal of 272940580 is 85049272.

It is not an unprimeable number, because it can be changed into a prime (272940587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5482 + ... + 23998.

It is an arithmetic number, because the mean of its divisors is an integer number (13221852).

Almost surely, 2272940580 is an apocalyptic number.

272940580 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 272940580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317324448).

272940580 is an abundant number, since it is smaller than the sum of its proper divisors (361708316).

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

272940580 is a wasteful number, since it uses less digits than its factorization.

272940580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18604 (or 18602 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 272940580 is about 16520.9134130047. The cubic root of 272940580 is about 648.6683427257.

The spelling of 272940580 in words is "two hundred seventy-two million, nine hundred forty thousand, five hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 67 110 134 220 268 335 670 737 1340 1474 2948 3685 7370 14740 18517 37034 74068 92585 185170 203687 370340 407374 814748 1018435 1240639 2036870 2481278 4073740 4962556 6203195 12406390 13647029 24812780 27294058 54588116 68235145 136470290 272940580