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1904230 = 251091747
BaseRepresentation
bin111010000111001100110
310120202010001
413100321212
5441413410
6104451514
722120456
oct7207146
93522101
101904230
111090749
12779b9a
13518983
14377d66
1527933a
hex1d0e66

1904230 has 16 divisors (see below), whose sum is σ = 3461040. Its totient is φ = 754272.

The previous prime is 1904191. The next prime is 1904233. The reversal of 1904230 is 324091.

It is a junction number, because it is equal to n+sod(n) for n = 1904198 and 1904207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1904233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 217 + ... + 1963.

It is an arithmetic number, because the mean of its divisors is an integer number (216315).

21904230 is an apocalyptic number.

1904230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1904230 is a deficient number, since it is larger than the sum of its proper divisors (1556810).

1904230 is a wasteful number, since it uses less digits than its factorization.

1904230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1904230 is about 1379.9384044225. The cubic root of 1904230 is about 123.9480791995.

The spelling of 1904230 in words is "one million, nine hundred four thousand, two hundred thirty".

Divisors: 1 2 5 10 109 218 545 1090 1747 3494 8735 17470 190423 380846 952115 1904230