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3028020 = 2235109463
BaseRepresentation
bin1011100011010000110100
312200211122220
423203100310
51233344040
6144522340
734511022
oct13432064
95624586
103028020
111788aa6
1210203b0
13820338
1458b712
153ec2d0
hex2e3434

3028020 has 48 divisors (see below), whose sum is σ = 8574720. Its totient is φ = 798336.

The previous prime is 3028007. The next prime is 3028021. The reversal of 3028020 is 208203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3028021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6309 + ... + 6771.

It is an arithmetic number, because the mean of its divisors is an integer number (178640).

Almost surely, 23028020 is an apocalyptic number.

3028020 is a gapful number since it is divisible by the number (30) 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 3028020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4287360).

3028020 is an abundant number, since it is smaller than the sum of its proper divisors (5546700).

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

3028020 is a wasteful number, since it uses less digits than its factorization.

3028020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3028020 is about 1740.1206854698. The cubic root of 3028020 is about 144.6725866558.

The spelling of 3028020 in words is "three million, twenty-eight thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 109 218 327 436 463 545 654 926 1090 1308 1389 1635 1852 2180 2315 2778 3270 4630 5556 6540 6945 9260 13890 27780 50467 100934 151401 201868 252335 302802 504670 605604 757005 1009340 1514010 3028020