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42806203 = 1121118443
BaseRepresentation
bin1010001101001…
…0101110111011
32222112210001221
42203102232323
541424244303
64125252511
71026563266
oct243225673
988483057
1042806203
1122187a30
1212404137
138b39c1b
145983cdd
153b584bd
hex28d2bbb

42806203 has 8 divisors (see below), whose sum is σ = 46921536. Its totient is φ = 38728200.

The previous prime is 42806161. The next prime is 42806209. The reversal of 42806203 is 30260824.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42806203 - 221 = 40709051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42806209) 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, 6901 + ... + 11542.

It is an arithmetic number, because the mean of its divisors is an integer number (5865192).

Almost surely, 242806203 is an apocalyptic number.

42806203 is a deficient number, since it is larger than the sum of its proper divisors (4115333).

42806203 is a wasteful number, since it uses less digits than its factorization.

42806203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18665.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 42806203 is about 6542.6449544508. The cubic root of 42806203 is about 349.8126970614.

The spelling of 42806203 in words is "forty-two million, eight hundred six thousand, two hundred three".

Divisors: 1 11 211 2321 18443 202873 3891473 42806203