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1828812 = 223257593
BaseRepresentation
bin110111110011111001100
310102220122210
412332133030
5432010222
6103110420
721354546
oct6763714
93386583
101828812
11103a017
12742410
134c054b
14358696
15261d0c
hex1be7cc

1828812 has 24 divisors (see below), whose sum is σ = 4291056. Its totient is φ = 606208.

The previous prime is 1828793. The next prime is 1828829. The reversal of 1828812 is 2188281.

It is a self number, because there is not a number n which added to its sum of digits gives 1828812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2788 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (178794).

21828812 is an apocalyptic number.

1828812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1828812 is an abundant number, since it is smaller than the sum of its proper divisors (2462244).

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

1828812 is a wasteful number, since it uses less digits than its factorization.

1828812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 855 counting only the distinct ones).

The product of its digits is 2048, while the sum is 30.

The square root of 1828812 is about 1352.3357571254. The cubic root of 1828812 is about 122.2896459333.

The spelling of 1828812 in words is "one million, eight hundred twenty-eight thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 257 514 593 771 1028 1186 1542 1779 2372 3084 3558 7116 152401 304802 457203 609604 914406 1828812