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268343137 = 1924158603
BaseRepresentation
bin11111111111010…
…01011101100001
3200200221020120201
433333221131201
51022143440022
642343305201
76435610336
oct1777513541
9620836521
10268343137
11128522197
1275a4b201
134379592a
14278d298d
1518859127
hexffe9761

268343137 has 8 divisors (see below), whose sum is σ = 283643360. Its totient is φ = 253160640.

The previous prime is 268343123. The next prime is 268343143. The reversal of 268343137 is 731343862.

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

It is a cyclic number.

It is not a de Polignac number, because 268343137 - 223 = 259954529 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 268343096 and 268343105.

It is not an unprimeable number, because it can be changed into a prime (268343197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24723 + ... + 33880.

It is an arithmetic number, because the mean of its divisors is an integer number (35455420).

Almost surely, 2268343137 is an apocalyptic number.

It is an amenable number.

268343137 is a deficient number, since it is larger than the sum of its proper divisors (15300223).

268343137 is a wasteful number, since it uses less digits than its factorization.

268343137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58863.

The product of its digits is 72576, while the sum is 37.

The square root of 268343137 is about 16381.1824054309. The cubic root of 268343137 is about 645.0056182032.

Adding to 268343137 its reverse (731343862), we get a palindrome (999686999).

The spelling of 268343137 in words is "two hundred sixty-eight million, three hundred forty-three thousand, one hundred thirty-seven".

Divisors: 1 19 241 4579 58603 1113457 14123323 268343137