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268230607 = 1715778271
BaseRepresentation
bin11111111110011…
…01111111001111
3200200201112012221
433333031333033
51022131334412
642341040211
76434631301
oct1777157717
9620645187
10268230607
11128455697
12759b6067
1343756648
14278a3971
1518835b07
hexffcdfcf

268230607 has 4 divisors (see below), whose sum is σ = 284008896. Its totient is φ = 252452320.

The previous prime is 268230593. The next prime is 268230629. The reversal of 268230607 is 706032862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706032862 = 2353016431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-268230607 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 (268230637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7889119 + ... + 7889152.

It is an arithmetic number, because the mean of its divisors is an integer number (71002224).

Almost surely, 2268230607 is an apocalyptic number.

268230607 is a deficient number, since it is larger than the sum of its proper divisors (15778289).

268230607 is a wasteful number, since it uses less digits than its factorization.

268230607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15778288.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 268230607 is about 16377.7473115200. The cubic root of 268230607 is about 644.9154443171.

The spelling of 268230607 in words is "two hundred sixty-eight million, two hundred thirty thousand, six hundred seven".

Divisors: 1 17 15778271 268230607