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268896493 = 1917478101
BaseRepresentation
bin10000000001110…
…000100011101101
3200201222100122101
4100001300203231
51022314141433
642403215101
76443403535
oct2001604355
9621870571
10268896493
1112886aa08
1276077491
134392a768
14279d84c5
151891807d
hex100708ed

268896493 has 8 divisors (see below), whose sum is σ = 283245920. Its totient is φ = 254566800.

The previous prime is 268896461. The next prime is 268896503. The reversal of 268896493 is 394698862.

It is a happy number.

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 268896493 - 25 = 268896461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268896413) 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 7 ways as a sum of consecutive naturals, for example, 29143 + ... + 37243.

It is an arithmetic number, because the mean of its divisors is an integer number (35405740).

Almost surely, 2268896493 is an apocalyptic number.

It is an amenable number.

268896493 is a deficient number, since it is larger than the sum of its proper divisors (14349427).

268896493 is a wasteful number, since it uses less digits than its factorization.

268896493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9867.

The product of its digits is 4478976, while the sum is 55.

The square root of 268896493 is about 16398.0636966686. The cubic root of 268896493 is about 645.4486736603.

The spelling of 268896493 in words is "two hundred sixty-eight million, eight hundred ninety-six thousand, four hundred ninety-three".

Divisors: 1 19 1747 8101 33193 153919 14152447 268896493