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185053 = 1116823
BaseRepresentation
bin101101001011011101
3100101211211
4231023131
521410203
63544421
71400341
oct551335
9311754
10185053
11117040
128b111
13662cb
144b621
1539c6d
hex2d2dd

185053 has 4 divisors (see below), whose sum is σ = 201888. Its totient is φ = 168220.

The previous prime is 185051. The next prime is 185057. The reversal of 185053 is 350581.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 185053 - 21 = 185051 is a prime.

It is a super-2 number, since 2×1850532 = 68489225618, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185051) 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 3 ways as a sum of consecutive naturals, for example, 8401 + ... + 8422.

It is an arithmetic number, because the mean of its divisors is an integer number (50472).

2185053 is an apocalyptic number.

It is an amenable number.

185053 is a deficient number, since it is larger than the sum of its proper divisors (16835).

185053 is a wasteful number, since it uses less digits than its factorization.

185053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16834.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 185053 is about 430.1778701886. The cubic root of 185053 is about 56.9856329852.

The spelling of 185053 in words is "one hundred eighty-five thousand, fifty-three".

Divisors: 1 11 16823 185053