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268541131 = 299260039
BaseRepresentation
bin10000000000011…
…001110011001011
3200201022022011211
4100000121303023
51022221304011
642351433551
76440363515
oct2000316313
9621268154
10268541131
11128647a21
1275b258b7
1343834aa1
1427944bb5
1518897b21
hex10019ccb

268541131 has 4 divisors (see below), whose sum is σ = 277801200. Its totient is φ = 259281064.

The previous prime is 268541113. The next prime is 268541179. The reversal of 268541131 is 131145862.

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

It is a cyclic number.

It is not a de Polignac number, because 268541131 - 211 = 268539083 is a prime.

It is a super-2 number, since 2×2685411312 = 144228678077518322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268541093 and 268541102.

It is not an unprimeable number, because it can be changed into a prime (268541101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4629991 + ... + 4630048.

It is an arithmetic number, because the mean of its divisors is an integer number (69450300).

Almost surely, 2268541131 is an apocalyptic number.

268541131 is a deficient number, since it is larger than the sum of its proper divisors (9260069).

268541131 is an equidigital number, since it uses as much as digits as its factorization.

268541131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9260068.

The product of its digits is 5760, while the sum is 31.

The square root of 268541131 is about 16387.2246277397. The cubic root of 268541131 is about 645.1642159443.

Adding to 268541131 its reverse (131145862), we get a palindrome (399686993).

The spelling of 268541131 in words is "two hundred sixty-eight million, five hundred forty-one thousand, one hundred thirty-one".

Divisors: 1 29 9260039 268541131