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3028040 = 235176173
BaseRepresentation
bin1011100011010001001000
312200211200122
423203101020
51233344130
6144522412
734511051
oct13432110
95624618
103028040
111789014
121020408
13820352
1458b728
153ec2e5
hex2e3448

3028040 has 64 divisors (see below), whose sum is σ = 7432560. Its totient is φ = 1105920.

The previous prime is 3028033. The next prime is 3028063. The reversal of 3028040 is 408203.

3028040 = T159 + T160 + ... + T280.

It can be written as a sum of positive squares in 8 ways, for example, as 948676 + 2079364 = 974^2 + 1442^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an Ulam 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, 41444 + ... + 41516.

Almost surely, 23028040 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 3028040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3716280).

3028040 is an abundant number, since it is smaller than the sum of its proper divisors (4404520).

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

3028040 is a wasteful number, since it uses less digits than its factorization.

3028040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3028040 is about 1740.1264321882. The cubic root of 3028040 is about 144.6729051748.

The spelling of 3028040 in words is "three million, twenty-eight thousand, forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 61 68 73 85 122 136 146 170 244 292 305 340 365 488 584 610 680 730 1037 1220 1241 1460 2074 2440 2482 2920 4148 4453 4964 5185 6205 8296 8906 9928 10370 12410 17812 20740 22265 24820 35624 41480 44530 49640 75701 89060 151402 178120 302804 378505 605608 757010 1514020 3028040