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186000023 = 1116909093
BaseRepresentation
bin10110001011000…
…10001010010111
3110221222210001202
423011202022113
5340104000043
630242343115
74415655056
oct1305421227
9427883052
10186000023
1195aa0630
125235aa9b
132c6c4bb1
141a9ba39d
15114e11b8
hexb162297

186000023 has 4 divisors (see below), whose sum is σ = 202909128. Its totient is φ = 169090920.

The previous prime is 186000019. The next prime is 186000047. The reversal of 186000023 is 320000681.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 186000023 - 22 = 186000019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 185999959 and 186000004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186000053) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8454536 + ... + 8454557.

It is an arithmetic number, because the mean of its divisors is an integer number (50727282).

Almost surely, 2186000023 is an apocalyptic number.

186000023 is a deficient number, since it is larger than the sum of its proper divisors (16909105).

186000023 is a wasteful number, since it uses less digits than its factorization.

186000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16909104.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 186000023 is about 13638.1825402067. The cubic root of 186000023 is about 570.8267708672.

The spelling of 186000023 in words is "one hundred eighty-six million, twenty-three", and thus it is an aban number.

Divisors: 1 11 16909093 186000023