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268506078 = 2344751013
BaseRepresentation
bin10000000000010…
…001001111011110
3200201020112002120
4100000101033132
51022214143303
642351003410
76440156361
oct2000211736
9621215076
10268506078
11128623655
1275b09566
1343821b49
14279360d8
151888c553
hex100113de

268506078 has 8 divisors (see below), whose sum is σ = 537012168. Its totient is φ = 89502024.

The previous prime is 268506059. The next prime is 268506113. The reversal of 268506078 is 870605862.

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

268506078 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 22375501 + ... + 22375512.

It is an arithmetic number, because the mean of its divisors is an integer number (67126521).

Almost surely, 2268506078 is an apocalyptic number.

268506078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268506078 is a wasteful number, since it uses less digits than its factorization.

268506078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44751018.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 268506078 is about 16386.1550706687. The cubic root of 268506078 is about 645.1361433666.

The spelling of 268506078 in words is "two hundred sixty-eight million, five hundred six thousand, seventy-eight".

Divisors: 1 2 3 6 44751013 89502026 134253039 268506078