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2728360 = 23568209
BaseRepresentation
bin1010011010000110101000
312010121121101
422122012220
51144301420
6134251144
732122255
oct12320650
95117541
102728360
1115a3948
12ab6ab4
13746b1b
1451042c
1538d60a
hex29a1a8

2728360 has 16 divisors (see below), whose sum is σ = 6138900. Its totient is φ = 1091328.

The previous prime is 2728357. The next prime is 2728373. The reversal of 2728360 is 638272.

It can be written as a sum of positive squares in 2 ways, for example, as 2709316 + 19044 = 1646^2 + 138^2 .

It is a d-powerful number, because it can be written as 24 + 7 + 220 + 82 + 34 + 68 + 0 .

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, 34065 + ... + 34144.

22728360 is an apocalyptic number.

2728360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2728360 is an abundant number, since it is smaller than the sum of its proper divisors (3410540).

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

2728360 is a wasteful number, since it uses less digits than its factorization.

2728360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68220 (or 68216 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2728360 is about 1651.7748030528. The cubic root of 2728360 is about 139.7335066508.

The spelling of 2728360 in words is "two million, seven hundred twenty-eight thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 68209 136418 272836 341045 545672 682090 1364180 2728360