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2688060 = 223571631
BaseRepresentation
bin1010010000010000111100
312001120022210
422100100330
51142004220
6133340420
731563624
oct12202074
95046283
102688060
111576641
12a97710
1373168b
144dd884
153816e0
hex29043c

2688060 has 48 divisors (see below), whose sum is σ = 7644672. Its totient is φ = 705600.

The previous prime is 2688053. The next prime is 2688073. The reversal of 2688060 is 608862.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3945 + ... + 4575.

It is an arithmetic number, because the mean of its divisors is an integer number (159264).

22688060 is an apocalyptic number.

2688060 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 2688060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3822336).

2688060 is an abundant number, since it is smaller than the sum of its proper divisors (4956612).

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

2688060 is a wasteful number, since it uses less digits than its factorization.

2688060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 2688060 is about 1639.5304205778. The cubic root of 2688060 is about 139.0421003195.

The spelling of 2688060 in words is "two million, six hundred eighty-eight thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 631 710 852 1065 1262 1420 1893 2130 2524 3155 3786 4260 6310 7572 9465 12620 18930 37860 44801 89602 134403 179204 224005 268806 448010 537612 672015 896020 1344030 2688060