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42673186 = 289239737
BaseRepresentation
bin1010001011001…
…0010000100010
32222022000121101
42202302100202
541411020221
64122345014
71025500423
oct242622042
988260541
1042673186
11220a6aa6
121235b16a
138ac150a
14594b64a
153b2dd91
hex28b2422

42673186 has 8 divisors (see below), whose sum is σ = 64729260. Its totient is φ = 21096768.

The previous prime is 42673159. The next prime is 42673187. The reversal of 42673186 is 68137624.

It can be written as a sum of positive squares in 2 ways, for example, as 39501225 + 3171961 = 6285^2 + 1781^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42673187) 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, 119691 + ... + 120046.

Almost surely, 242673186 is an apocalyptic number.

42673186 is a deficient number, since it is larger than the sum of its proper divisors (22056074).

42673186 is a wasteful number, since it uses less digits than its factorization.

42673186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239828.

The product of its digits is 48384, while the sum is 37.

The square root of 42673186 is about 6532.4716608647. The cubic root of 42673186 is about 349.4499823701.

The spelling of 42673186 in words is "forty-two million, six hundred seventy-three thousand, one hundred eighty-six".

Divisors: 1 2 89 178 239737 479474 21336593 42673186