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268896319 = 972772127
BaseRepresentation
bin10000000001110…
…000100000111111
3200201222100101221
4100001300200333
51022314140234
642403214211
76443403166
oct2001604077
9621870357
10268896319
1112886a86a
1276077367
134392a663
14279d83dd
1518917eb4
hex1007083f

268896319 has 4 divisors (see below), whose sum is σ = 271668544. Its totient is φ = 266124096.

The previous prime is 268896283. The next prime is 268896337. The reversal of 268896319 is 913698862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268896319 - 29 = 268895807 is a prime.

It is a super-2 number, since 2×2688963192 = 144610460743499522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268896349) 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 3 ways as a sum of consecutive naturals, for example, 1385967 + ... + 1386160.

It is an arithmetic number, because the mean of its divisors is an integer number (67917136).

Almost surely, 2268896319 is an apocalyptic number.

268896319 is a deficient number, since it is larger than the sum of its proper divisors (2772225).

268896319 is an equidigital number, since it uses as much as digits as its factorization.

268896319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772224.

The product of its digits is 1119744, while the sum is 52.

The square root of 268896319 is about 16398.0583911633. The cubic root of 268896319 is about 645.4485344393.

The spelling of 268896319 in words is "two hundred sixty-eight million, eight hundred ninety-six thousand, three hundred nineteen".

Divisors: 1 97 2772127 268896319