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1838230 = 25183823
BaseRepresentation
bin111000000110010010110
310110101120121
413000302112
5432310410
6103222154
721424162
oct7006226
93411517
101838230
1110460a9
1274795a
134c4914
1435bca2
152649da
hex1c0c96

1838230 has 8 divisors (see below), whose sum is σ = 3308832. Its totient is φ = 735288.

The previous prime is 1838209. The next prime is 1838233. The reversal of 1838230 is 328381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1838195 and 1838204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91902 + ... + 91921.

It is an arithmetic number, because the mean of its divisors is an integer number (413604).

21838230 is an apocalyptic number.

1838230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1838230 is a deficient number, since it is larger than the sum of its proper divisors (1470602).

1838230 is a wasteful number, since it uses less digits than its factorization.

1838230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183830.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1838230 is about 1355.8134089911. The cubic root of 1838230 is about 122.4992086579.

It can be divided in two parts, 1838 and 230, that multiplied together give a triangular number (422740 = T919).

The spelling of 1838230 in words is "one million, eight hundred thirty-eight thousand, two hundred thirty".

Divisors: 1 2 5 10 183823 367646 919115 1838230