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272930816 = 211711877
BaseRepresentation
bin10000010001001…
…001100000000000
3201000120022200202
4100101021200000
51024332241231
643025504332
76522605444
oct2021114000
9630508622
10272930816
11130075a64
12774a20a8
1344710b32
1428368824
1518e635cb
hex10449800

272930816 has 48 divisors (see below), whose sum is σ = 553709520. Its totient is φ = 134471680.

The previous prime is 272930807. The next prime is 272930831. The reversal of 272930816 is 618039272.

It is a self number, because there is not a number n which added to its sum of digits gives 272930816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144470 + ... + 146346.

It is an arithmetic number, because the mean of its divisors is an integer number (11535615).

Almost surely, 2272930816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272930816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276854760).

272930816 is an abundant number, since it is smaller than the sum of its proper divisors (280778704).

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

272930816 is an equidigital number, since it uses as much as digits as its factorization.

272930816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970 (or 1950 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 272930816 is about 16520.6179061196. The cubic root of 272930816 is about 648.6606076194.

The spelling of 272930816 in words is "two hundred seventy-two million, nine hundred thirty thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 32 64 71 128 142 256 284 512 568 1024 1136 1877 2048 2272 3754 4544 7508 9088 15016 18176 30032 36352 60064 72704 120128 133267 145408 240256 266534 480512 533068 961024 1066136 1922048 2132272 3844096 4264544 8529088 17058176 34116352 68232704 136465408 272930816