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3228020 = 2251031567
BaseRepresentation
bin1100010100000101110100
320002000000022
430110011310
51311244040
6153104312
736303065
oct14240564
96060008
103228020
111905294
1210b8098
13890393
1460056c
1543b6b5
hex314174

3228020 has 24 divisors (see below), whose sum is σ = 6849024. Its totient is φ = 1277856.

The previous prime is 3227989. The next prime is 3228023. The reversal of 3228020 is 208223.

It is a super-2 number, since 2×32280202 = 20840226240800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3228020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277 + ... + 2843.

It is an arithmetic number, because the mean of its divisors is an integer number (285376).

Almost surely, 23228020 is an apocalyptic number.

It is an amenable number.

3228020 is an abundant number, since it is smaller than the sum of its proper divisors (3621004).

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

3228020 is a wasteful number, since it uses less digits than its factorization.

3228020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679 (or 1677 counting only the distinct ones).

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

The square root of 3228020 is about 1796.6691403817. The cubic root of 3228020 is about 147.7901213090.

The spelling of 3228020 in words is "three million, two hundred twenty-eight thousand, twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 1567 2060 3134 6268 7835 15670 31340 161401 322802 645604 807005 1614010 3228020