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187013 = 2347173
BaseRepresentation
bin101101101010000101
3100111112102
4231222011
521441023
64001445
71406141
oct555205
9314472
10187013
11118562
1290285
1367178
144c221
153a628
hex2da85

187013 has 8 divisors (see below), whose sum is σ = 200448. Its totient is φ = 174064.

The previous prime is 187009. The next prime is 187027. The reversal of 187013 is 310781.

187013 is digitally balanced in base 2, because in such base 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 not a de Polignac number, because 187013 - 22 = 187009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995 + ... + 1167.

It is an arithmetic number, because the mean of its divisors is an integer number (25056).

2187013 is an apocalyptic number.

It is an amenable number.

187013 is a deficient number, since it is larger than the sum of its proper divisors (13435).

187013 is a wasteful number, since it uses less digits than its factorization.

187013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 187013 is about 432.4499971095. The cubic root of 187013 is about 57.1861157558.

Adding to 187013 its reverse (310781), we get a palindrome (497794).

It can be divided in two parts, 1870 and 13, that multiplied together give a triangular number (24310 = T220).

The spelling of 187013 in words is "one hundred eighty-seven thousand, thirteen".

Divisors: 1 23 47 173 1081 3979 8131 187013