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2666460 = 2235192339
BaseRepresentation
bin1010001010111111011100
312000110200210
422022333130
51140311320
6133052420
731443636
oct12127734
95013623
102666460
111561395
12a87110
137248b4
144d5a56
1537a0e0
hex28afdc

2666460 has 48 divisors (see below), whose sum is σ = 7862400. Its totient is φ = 673344.

The previous prime is 2666453. The next prime is 2666491. The reversal of 2666460 is 646662.

It is a super-2 number, since 2×26664602 = 14220017863200, which contains 22 as substring.

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

It is an Ulam number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

22666460 is an apocalyptic number.

2666460 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 2666460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3931200).

2666460 is an abundant number, since it is smaller than the sum of its proper divisors (5195940).

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

2666460 is a wasteful number, since it uses less digits than its factorization.

2666460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370 (or 2368 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 2666460 is about 1632.9298821444. The cubic root of 2666460 is about 138.6686724110.

The spelling of 2666460 in words is "two million, six hundred sixty-six thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 2339 4678 7017 9356 11695 14034 23390 28068 35085 44441 46780 70170 88882 133323 140340 177764 222205 266646 444410 533292 666615 888820 1333230 2666460