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268244117 = 377249841
BaseRepresentation
bin11111111110100…
…01010010010101
3200200202012202022
433333101102111
51022132302432
642341222525
76435015551
oct1777212225
9620665668
10268244117
11128464859
1275a01a45
134375c83b
14278a8861
1518839b12
hexffd1495

268244117 has 4 divisors (see below), whose sum is σ = 275493996. Its totient is φ = 260994240.

The previous prime is 268244111. The next prime is 268244159. The reversal of 268244117 is 711442862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 246050596 + 22193521 = 15686^2 + 4711^2 .

It is a cyclic number.

It is not a de Polignac number, because 268244117 - 28 = 268243861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268244111) 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, 3624884 + ... + 3624957.

It is an arithmetic number, because the mean of its divisors is an integer number (68873499).

Almost surely, 2268244117 is an apocalyptic number.

It is an amenable number.

268244117 is a deficient number, since it is larger than the sum of its proper divisors (7249879).

268244117 is an equidigital number, since it uses as much as digits as its factorization.

268244117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249878.

The product of its digits is 21504, while the sum is 35.

The square root of 268244117 is about 16378.1597562119. The cubic root of 268244117 is about 644.9262716439.

Adding to 268244117 its reverse (711442862), we get a palindrome (979686979).

The spelling of 268244117 in words is "two hundred sixty-eight million, two hundred forty-four thousand, one hundred seventeen".

Divisors: 1 37 7249841 268244117