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268306063 = 2311665481
BaseRepresentation
bin11111111111000…
…00011010001111
3200200212100201121
433333200122033
51022141243223
642342421411
76435364264
oct1777403217
9620770647
10268306063
111284a7353
1275a31867
1343781aac
14278c326b
151884d15d
hexffe068f

268306063 has 4 divisors (see below), whose sum is σ = 279971568. Its totient is φ = 256640560.

The previous prime is 268306061. The next prime is 268306067. The reversal of 268306063 is 360603862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360603862 = 2180301931.

It is a cyclic number.

It is not a de Polignac number, because 268306063 - 21 = 268306061 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 (268306061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5832718 + ... + 5832763.

It is an arithmetic number, because the mean of its divisors is an integer number (69992892).

Almost surely, 2268306063 is an apocalyptic number.

268306063 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

268306063 is a deficient number, since it is larger than the sum of its proper divisors (11665505).

268306063 is a wasteful number, since it uses less digits than its factorization.

268306063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11665504.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 268306063 is about 16380.0507630471. The cubic root of 268306063 is about 644.9759124069.

The spelling of 268306063 in words is "two hundred sixty-eight million, three hundred six thousand, sixty-three".

Divisors: 1 23 11665481 268306063