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3022820 = 225151141
BaseRepresentation
bin1011100001111111100100
312200120112022
423201333210
51233212240
6144442312
734456613
oct13417744
95616468
103022820
1117850a9
121019398
1381ab68
1458987a
153ea9b5
hex2e1fe4

3022820 has 12 divisors (see below), whose sum is σ = 6347964. Its totient is φ = 1209120.

The previous prime is 3022819. The next prime is 3022823. The reversal of 3022820 is 282203.

It can be written as a sum of positive squares in 2 ways, for example, as 2050624 + 972196 = 1432^2 + 986^2 .

It is not an unprimeable number, because it can be changed into a prime (3022823) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 75551 + ... + 75590.

It is an arithmetic number, because the mean of its divisors is an integer number (528997).

Almost surely, 23022820 is an apocalyptic number.

It is an amenable number.

3022820 is an abundant number, since it is smaller than the sum of its proper divisors (3325144).

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

3022820 is a wasteful number, since it uses less digits than its factorization.

3022820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151150 (or 151148 counting only the distinct ones).

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

The square root of 3022820 is about 1738.6258942050. The cubic root of 3022820 is about 144.5897240921.

The spelling of 3022820 in words is "three million, twenty-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 151141 302282 604564 755705 1511410 3022820