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1841828 = 221373361
BaseRepresentation
bin111000001101010100100
310110120111212
413001222210
5432414303
6103250552
721440522
oct7015244
93416455
101841828
11104887a
12749a58
134c6451
1435d312
15265ad8
hex1c1aa4

1841828 has 12 divisors (see below), whose sum is σ = 3247692. Its totient is φ = 913920.

The previous prime is 1841821. The next prime is 1841837. The reversal of 1841828 is 8281481.

It can be written as a sum of positive squares in 2 ways, for example, as 1236544 + 605284 = 1112^2 + 778^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1841794 and 1841803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1841821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133 + ... + 2228.

It is an arithmetic number, because the mean of its divisors is an integer number (270641).

21841828 is an apocalyptic number.

It is an amenable number.

1841828 is a deficient number, since it is larger than the sum of its proper divisors (1405864).

1841828 is a wasteful number, since it uses less digits than its factorization.

1841828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502 (or 3500 counting only the distinct ones).

The product of its digits is 4096, while the sum is 32.

The square root of 1841828 is about 1357.1396390939. The cubic root of 1841828 is about 122.5790798567.

The spelling of 1841828 in words is "one million, eight hundred forty-one thousand, eight hundred twenty-eight".

Divisors: 1 2 4 137 274 548 3361 6722 13444 460457 920914 1841828