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185030 = 2518503
BaseRepresentation
bin101101001011000110
3100101210222
4231023012
521410110
63544342
71400306
oct551306
9311728
10185030
1111701a
128b0b2
13662b1
144b606
1539c55
hex2d2c6

185030 has 8 divisors (see below), whose sum is σ = 333072. Its totient is φ = 74008.

The previous prime is 185027. The next prime is 185051. The reversal of 185030 is 30581.

185030 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×1850302 = 68472201800, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9242 + ... + 9261.

It is an arithmetic number, because the mean of its divisors is an integer number (41634).

2185030 is an apocalyptic number.

185030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

185030 is a deficient number, since it is larger than the sum of its proper divisors (148042).

185030 is a wasteful number, since it uses less digits than its factorization.

185030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18510.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 185030 is about 430.1511362300. The cubic root of 185030 is about 56.9832719970.

Subtracting from 185030 its reverse (30581), we obtain a square (154449 = 3932).

The spelling of 185030 in words is "one hundred eighty-five thousand, thirty".

Divisors: 1 2 5 10 18503 37006 92515 185030