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42209270 = 254220927
BaseRepresentation
bin1010000100000…
…0111111110110
32221102110020022
42201000333312
541301144040
64104405142
71021526045
oct241007766
987373208
1042209270
112190a4a4
12121767b2
13898b2cc
14586a55c
153a8b6b5
hex2840ff6

42209270 has 8 divisors (see below), whose sum is σ = 75976704. Its totient is φ = 16883704.

The previous prime is 42209227. The next prime is 42209303. The reversal of 42209270 is 7290224.

42209270 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 a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2110454 + ... + 2110473.

It is an arithmetic number, because the mean of its divisors is an integer number (9497088).

Almost surely, 242209270 is an apocalyptic number.

42209270 is a deficient number, since it is larger than the sum of its proper divisors (33767434).

42209270 is a wasteful number, since it uses less digits than its factorization.

42209270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220934.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 42209270 is about 6496.8661676227. The cubic root of 42209270 is about 348.1790321581.

Adding to 42209270 its reverse (7290224), we get a palindrome (49499494).

The spelling of 42209270 in words is "forty-two million, two hundred nine thousand, two hundred seventy".

Divisors: 1 2 5 10 4220927 8441854 21104635 42209270