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1894230 = 2325131619
BaseRepresentation
bin111001110011101010110
310120020101200
413032131112
5441103410
6104333330
722046352
oct7163526
93506350
101894230
111084188
12774246
13514260
14374462
152763c0
hex1ce756

1894230 has 48 divisors (see below), whose sum is σ = 5307120. Its totient is φ = 465984.

The previous prime is 1894229. The next prime is 1894247. The reversal of 1894230 is 324981.

It is a junction number, because it is equal to n+sod(n) for n = 1894194 and 1894203.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 361 + ... + 1979.

It is an arithmetic number, because the mean of its divisors is an integer number (110565).

21894230 is an apocalyptic number.

1894230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1894230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2653560).

1894230 is an abundant number, since it is smaller than the sum of its proper divisors (3412890).

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

1894230 is a wasteful number, since it uses less digits than its factorization.

1894230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1894230 is about 1376.3102847832. The cubic root of 1894230 is about 123.7307285570.

The spelling of 1894230 in words is "one million, eight hundred ninety-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 1619 3238 4857 8095 9714 14571 16190 21047 24285 29142 42094 48570 63141 72855 105235 126282 145710 189423 210470 315705 378846 631410 947115 1894230