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248221022 = 2717730073
BaseRepresentation
bin11101100101110…
…00110101011110
3122022001221020012
432302320311132
51002021033042
640344123222
76102562310
oct1662706536
9568057205
10248221022
11118129145
126b166512
133c56ba5a
1424d757b0
1516bd1e82
hexecb8d5e

248221022 has 8 divisors (see below), whose sum is σ = 425521776. Its totient is φ = 106380432.

The previous prime is 248221021. The next prime is 248221031. The reversal of 248221022 is 220122842.

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

It is a super-2 number, since 2×2482210222 = 123227351525448968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248221021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8865023 + ... + 8865050.

It is an arithmetic number, because the mean of its divisors is an integer number (53190222).

Almost surely, 2248221022 is an apocalyptic number.

248221022 is a deficient number, since it is larger than the sum of its proper divisors (177300754).

248221022 is a wasteful number, since it uses less digits than its factorization.

248221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17730082.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 248221022 is about 15755.0316407172. The cubic root of 248221022 is about 628.4627186705.

Adding to 248221022 its reverse (220122842), we get a palindrome (468343864).

The spelling of 248221022 in words is "two hundred forty-eight million, two hundred twenty-one thousand, twenty-two".

Divisors: 1 2 7 14 17730073 35460146 124110511 248221022