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1836228 = 223236653
BaseRepresentation
bin111000000010011000100
310110021211110
413000103010
5432224403
6103205020
721415302
oct7002304
93407743
101836228
111044649
12746770
134c3a34
1435b272
15264103
hex1c04c4

1836228 has 24 divisors (see below), whose sum is σ = 4471488. Its totient is φ = 585376.

The previous prime is 1836157. The next prime is 1836239. The reversal of 1836228 is 8226381.

It is a hoax number, since the sum of its digits (30) 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 = 1836195 and 1836204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3051 + ... + 3602.

It is an arithmetic number, because the mean of its divisors is an integer number (186312).

21836228 is an apocalyptic number.

It is an amenable number.

1836228 is an abundant number, since it is smaller than the sum of its proper divisors (2635260).

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

1836228 is a wasteful number, since it uses less digits than its factorization.

1836228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683 (or 6681 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 1836228 is about 1355.0749056786. The cubic root of 1836228 is about 122.4547215697.

The spelling of 1836228 in words is "one million, eight hundred thirty-six thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 6653 13306 19959 26612 39918 79836 153019 306038 459057 612076 918114 1836228