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7985238 = 231330873
BaseRepresentation
bin11110011101100001010110
3120000200200120
4132131201112
54021011423
6443052410
7124605402
oct36354126
916020616
107985238
114564478
122811106
1318677c1
1410bc102
15a7aee3
hex79d856

7985238 has 8 divisors (see below), whose sum is σ = 15970488. Its totient is φ = 2661744.

The previous prime is 7985227. The next prime is 7985239. The reversal of 7985238 is 8325897.

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

7985238 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7985238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7985239) by changing a digit.

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, 665431 + ... + 665442.

It is an arithmetic number, because the mean of its divisors is an integer number (1996311).

Almost surely, 27985238 is an apocalyptic number.

7985238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7985238 is a wasteful number, since it uses less digits than its factorization.

7985238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330878.

The product of its digits is 120960, while the sum is 42.

The square root of 7985238 is about 2825.8163422275. The cubic root of 7985238 is about 199.8769075902.

The spelling of 7985238 in words is "seven million, nine hundred eighty-five thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 1330873 2661746 3992619 7985238