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42803206 = 276128123
BaseRepresentation
bin1010001101001…
…0000000000110
32222112121221221
42203102000012
541424200311
64125230554
71026551455
oct243220006
988477857
1042803206
1122185756
121240245a
138b38754
145982b9c
153b57671
hex28d2006

42803206 has 8 divisors (see below), whose sum is σ = 64291464. Its totient is φ = 21372720.

The previous prime is 42803177. The next prime is 42803209. The reversal of 42803206 is 60230824.

It is a happy number.

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

It is a super-2 number, since 2×428032062 = 3664228887756872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42803209) 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, 12540 + ... + 15583.

It is an arithmetic number, because the mean of its divisors is an integer number (8036433).

Almost surely, 242803206 is an apocalyptic number.

42803206 is a deficient number, since it is larger than the sum of its proper divisors (21488258).

42803206 is a wasteful number, since it uses less digits than its factorization.

42803206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28886.

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

The square root of 42803206 is about 6542.4159146297. The cubic root of 42803206 is about 349.8045330334.

The spelling of 42803206 in words is "forty-two million, eight hundred three thousand, two hundred six".

Divisors: 1 2 761 1522 28123 56246 21401603 42803206