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187042 = 2412281
BaseRepresentation
bin101101101010100010
3100111120111
4231222202
521441132
64001534
71406212
oct555242
9314514
10187042
11118589
12902aa
136719b
144c242
153a647
hex2daa2

187042 has 8 divisors (see below), whose sum is σ = 287532. Its totient is φ = 91200.

The previous prime is 187027. The next prime is 187043. The reversal of 187042 is 240781.

187042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 177241 + 9801 = 421^2 + 99^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187043) 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, 1059 + ... + 1222.

2187042 is an apocalyptic number.

187042 is a deficient number, since it is larger than the sum of its proper divisors (100490).

187042 is a wasteful number, since it uses less digits than its factorization.

187042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 187042 is about 432.4835256978. The cubic root of 187042 is about 57.1890715425.

It can be divided in two parts, 18 and 7042, that multiplied together give a triangular number (126756 = T503).

The spelling of 187042 in words is "one hundred eighty-seven thousand, forty-two".

Divisors: 1 2 41 82 2281 4562 93521 187042