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1829828 = 2271113457
BaseRepresentation
bin110111110101111000100
310102222001102
412332233010
5432023303
6103115232
721360530
oct6765704
93388042
101829828
11103a860
12742b18
134c0b50
14358bc0
15262288
hex1bebc4

1829828 has 48 divisors (see below), whose sum is σ = 4308864. Its totient is φ = 656640.

The previous prime is 1829827. The next prime is 1829831. The reversal of 1829828 is 8289281.

It is a junction number, because it is equal to n+sod(n) for n = 1829791 and 1829800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1829827) 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 15 ways as a sum of consecutive naturals, for example, 3776 + ... + 4232.

It is an arithmetic number, because the mean of its divisors is an integer number (89768).

21829828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1829828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2154432).

1829828 is an abundant number, since it is smaller than the sum of its proper divisors (2479036).

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

1829828 is a wasteful number, since it uses less digits than its factorization.

1829828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 490 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 1829828 is about 1352.7113513237. The cubic root of 1829828 is about 122.3122878231.

The spelling of 1829828 in words is "one million, eight hundred twenty-nine thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 286 308 364 457 572 914 1001 1828 2002 3199 4004 5027 5941 6398 10054 11882 12796 20108 23764 35189 41587 65351 70378 83174 130702 140756 166348 261404 457457 914914 1829828