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1838828 = 22479781
BaseRepresentation
bin111000000111011101100
310110102101202
413000323230
5432320303
6103225032
721426005
oct7007354
93412352
101838828
1110465a2
12748178
134c4c84
1435c1ac
15264c88
hex1c0eec

1838828 has 12 divisors (see below), whose sum is σ = 3286752. Its totient is φ = 899760.

The previous prime is 1838819. The next prime is 1838843. The reversal of 1838828 is 8288381.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1838791 and 1838800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4703 + ... + 5078.

It is an arithmetic number, because the mean of its divisors is an integer number (273896).

21838828 is an apocalyptic number.

It is an amenable number.

1838828 is a deficient number, since it is larger than the sum of its proper divisors (1447924).

1838828 is a wasteful number, since it uses less digits than its factorization.

1838828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9832 (or 9830 counting only the distinct ones).

The product of its digits is 24576, while the sum is 38.

The square root of 1838828 is about 1356.0339228795. The cubic root of 1838828 is about 122.5124907435.

The spelling of 1838828 in words is "one million, eight hundred thirty-eight thousand, eight hundred twenty-eight".

Divisors: 1 2 4 47 94 188 9781 19562 39124 459707 919414 1838828